Home / 62,490,683.42-86,218,488.88-40,429,248.02

Finding the Fourth Proportional to 62,490,683.42, 86,218,488.88 and 40,429,248.02

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Solution

The fourth proportional to 62,490,683.42, 86,218,488.88 and 40,429,248.02 is: 55,780,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,490,683.42 : 86,218,488.88 = 40,429,248.02 : x
  2. Step 2: Convert to fraction form
    62,490,683.42/86,218,488.88 = 40,429,248.02/x
  3. Step 3: Cross multiply
    62,490,683.42x = 86,218,488.88 × 40,429,248.02
  4. Step 4: Simplify right side
    62,490,683.42x = 3,485,748,670,306,966.50
  5. Step 5: Solve for x
    x = 3,485,748,670,306,966.50/62,490,683.42
  6. Step 6: Final answer
    x = 55,780,293.63

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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.