Home / 142,164,701.25-213,255,028.89-39,920,767.26

Finding the Fourth Proportional to 142,164,701.25, 213,255,028.89 and 39,920,767.26

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Solution

The fourth proportional to 142,164,701.25, 213,255,028.89 and 39,920,767.26 is: 59,883,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,701.25 : 213,255,028.89 = 39,920,767.26 : x
  2. Step 2: Convert to fraction form
    142,164,701.25/213,255,028.89 = 39,920,767.26/x
  3. Step 3: Cross multiply
    142,164,701.25x = 213,255,028.89 × 39,920,767.26
  4. Step 4: Simplify right side
    142,164,701.25x = 8,513,304,375,342,265
  5. Step 5: Solve for x
    x = 8,513,304,375,342,265/142,164,701.25
  6. Step 6: Final answer
    x = 59,883,390.89

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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.