Home / 119,974,836.76-165,518,400.34-69,730,706.86

Finding the Fourth Proportional to 119,974,836.76, 165,518,400.34 and 69,730,706.86

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Solution

The fourth proportional to 119,974,836.76, 165,518,400.34 and 69,730,706.86 is: 96,201,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,974,836.76 : 165,518,400.34 = 69,730,706.86 : x
  2. Step 2: Convert to fraction form
    119,974,836.76/165,518,400.34 = 69,730,706.86/x
  3. Step 3: Cross multiply
    119,974,836.76x = 165,518,400.34 × 69,730,706.86
  4. Step 4: Simplify right side
    119,974,836.76x = 11,541,715,053,718,032
  5. Step 5: Solve for x
    x = 11,541,715,053,718,032/119,974,836.76
  6. Step 6: Final answer
    x = 96,201,131.55

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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.