Home / 58,259,867.40-87,389,801.10-19,917,966.60

Finding the Fourth Proportional to 58,259,867.40, 87,389,801.10 and 19,917,966.60

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Solution

The fourth proportional to 58,259,867.40, 87,389,801.10 and 19,917,966.60 is: 29,876,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,259,867.40 : 87,389,801.10 = 19,917,966.60 : x
  2. Step 2: Convert to fraction form
    58,259,867.40/87,389,801.10 = 19,917,966.60/x
  3. Step 3: Cross multiply
    58,259,867.40x = 87,389,801.10 × 19,917,966.60
  4. Step 4: Simplify right side
    58,259,867.40x = 1,740,627,139,490,443.25
  5. Step 5: Solve for x
    x = 1,740,627,139,490,443.25/58,259,867.40
  6. Step 6: Final answer
    x = 29,876,949.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.