Home / 158,125,047.45-218,214,793.71-91,106,966.58

Finding the Fourth Proportional to 158,125,047.45, 218,214,793.71 and 91,106,966.58

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Solution

The fourth proportional to 158,125,047.45, 218,214,793.71 and 91,106,966.58 is: 125,728,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,125,047.45 : 218,214,793.71 = 91,106,966.58 : x
  2. Step 2: Convert to fraction form
    158,125,047.45/218,214,793.71 = 91,106,966.58/x
  3. Step 3: Cross multiply
    158,125,047.45x = 218,214,793.71 × 91,106,966.58
  4. Step 4: Simplify right side
    158,125,047.45x = 19,880,887,917,798,564
  5. Step 5: Solve for x
    x = 19,880,887,917,798,564/158,125,047.45
  6. Step 6: Final answer
    x = 125,728,897.72

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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.