Home / 65,010,714.92-89,723,926.54-40,238,847.80

Finding the Fourth Proportional to 65,010,714.92, 89,723,926.54 and 40,238,847.80

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Solution

The fourth proportional to 65,010,714.92, 89,723,926.54 and 40,238,847.80 is: 55,535,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,010,714.92 : 89,723,926.54 = 40,238,847.80 : x
  2. Step 2: Convert to fraction form
    65,010,714.92/89,723,926.54 = 40,238,847.80/x
  3. Step 3: Cross multiply
    65,010,714.92x = 89,723,926.54 × 40,238,847.80
  4. Step 4: Simplify right side
    65,010,714.92x = 3,610,387,424,061,440.50
  5. Step 5: Solve for x
    x = 3,610,387,424,061,440.50/65,010,714.92
  6. Step 6: Final answer
    x = 55,535,267.20

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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.