Home / 65,557,731.20-98,411,246.40-38,646,550.40

Finding the Fourth Proportional to 65,557,731.20, 98,411,246.40 and 38,646,550.40

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Solution

The fourth proportional to 65,557,731.20, 98,411,246.40 and 38,646,550.40 is: 58,013,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,557,731.20 : 98,411,246.40 = 38,646,550.40 : x
  2. Step 2: Convert to fraction form
    65,557,731.20/98,411,246.40 = 38,646,550.40/x
  3. Step 3: Cross multiply
    65,557,731.20x = 98,411,246.40 × 38,646,550.40
  4. Step 4: Simplify right side
    65,557,731.20x = 3,803,255,193,924,418.50
  5. Step 5: Solve for x
    x = 3,803,255,193,924,418.50/65,557,731.20
  6. Step 6: Final answer
    x = 58,013,831.84

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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.