Home / 142,164,706.13-213,255,036.20-39,920,772.14

Finding the Fourth Proportional to 142,164,706.13, 213,255,036.20 and 39,920,772.14

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Solution

The fourth proportional to 142,164,706.13, 213,255,036.20 and 39,920,772.14 is: 59,883,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,706.13 : 213,255,036.20 = 39,920,772.14 : x
  2. Step 2: Convert to fraction form
    142,164,706.13/213,255,036.20 = 39,920,772.14/x
  3. Step 3: Cross multiply
    142,164,706.13x = 213,255,036.20 × 39,920,772.14
  4. Step 4: Simplify right side
    142,164,706.13x = 8,513,305,707,847,651
  5. Step 5: Solve for x
    x = 8,513,305,707,847,651/142,164,706.13
  6. Step 6: Final answer
    x = 59,883,398.20

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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.