Home / 92,850,489.20-139,225,967.40-38,936,889.20

Finding the Fourth Proportional to 92,850,489.20, 139,225,967.40 and 38,936,889.20

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Solution

The fourth proportional to 92,850,489.20, 139,225,967.40 and 38,936,889.20 is: 58,384,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850,489.20 : 139,225,967.40 = 38,936,889.20 : x
  2. Step 2: Convert to fraction form
    92,850,489.20/139,225,967.40 = 38,936,889.20/x
  3. Step 3: Cross multiply
    92,850,489.20x = 139,225,967.40 × 38,936,889.20
  4. Step 4: Simplify right side
    92,850,489.20x = 5,421,026,066,416,613
  5. Step 5: Solve for x
    x = 5,421,026,066,416,613/92,850,489.20
  6. Step 6: Final answer
    x = 58,384,464.24

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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.