Home / 83,896,345.30-125,631,941.55-66,890,233.30

Finding the Fourth Proportional to 83,896,345.30, 125,631,941.55 and 66,890,233.30

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Solution

The fourth proportional to 83,896,345.30, 125,631,941.55 and 66,890,233.30 is: 100,165,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,896,345.30 : 125,631,941.55 = 66,890,233.30 : x
  2. Step 2: Convert to fraction form
    83,896,345.30/125,631,941.55 = 66,890,233.30/x
  3. Step 3: Cross multiply
    83,896,345.30x = 125,631,941.55 × 66,890,233.30
  4. Step 4: Simplify right side
    83,896,345.30x = 8,403,549,880,211,463
  5. Step 5: Solve for x
    x = 8,403,549,880,211,463/83,896,345.30
  6. Step 6: Final answer
    x = 100,165,863.60

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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.