Home / 83,207,211.26-124,827,839.87-28,612,706.38

Finding the Fourth Proportional to 83,207,211.26, 124,827,839.87 and 28,612,706.38

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Solution

The fourth proportional to 83,207,211.26, 124,827,839.87 and 28,612,706.38 is: 42,924,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,207,211.26 : 124,827,839.87 = 28,612,706.38 : x
  2. Step 2: Convert to fraction form
    83,207,211.26/124,827,839.87 = 28,612,706.38/x
  3. Step 3: Cross multiply
    83,207,211.26x = 124,827,839.87 × 28,612,706.38
  4. Step 4: Simplify right side
    83,207,211.26x = 3,571,662,330,249,967.50
  5. Step 5: Solve for x
    x = 3,571,662,330,249,967.50/83,207,211.26
  6. Step 6: Final answer
    x = 42,924,913.31

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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.