Home / 187,307,732,351.58-258,477,982,702.20-106,015,809,943.86

Finding the Fourth Proportional to 187,307,732,351.58, 258,477,982,702.20 and 106,015,809,943.86

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Solution

The fourth proportional to 187,307,732,351.58, 258,477,982,702.20 and 106,015,809,943.86 is: 146,298,032,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,307,732,351.58 : 258,477,982,702.20 = 106,015,809,943.86 : x
  2. Step 2: Convert to fraction form
    187,307,732,351.58/258,477,982,702.20 = 106,015,809,943.86/x
  3. Step 3: Cross multiply
    187,307,732,351.58x = 258,477,982,702.20 × 106,015,809,943.86
  4. Step 4: Simplify right side
    187,307,732,351.58x = 27,402,752,688,828,767,535,104
  5. Step 5: Solve for x
    x = 27,402,752,688,828,767,535,104/187,307,732,351.58
  6. Step 6: Final answer
    x = 146,298,032,359.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.