Home / 54,485,658.40-81,687,809.40-32,915,714.80

Finding the Fourth Proportional to 54,485,658.40, 81,687,809.40 and 32,915,714.80

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Solution

The fourth proportional to 54,485,658.40, 81,687,809.40 and 32,915,714.80 is: 49,348,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485,658.40 : 81,687,809.40 = 32,915,714.80 : x
  2. Step 2: Convert to fraction form
    54,485,658.40/81,687,809.40 = 32,915,714.80/x
  3. Step 3: Cross multiply
    54,485,658.40x = 81,687,809.40 × 32,915,714.80
  4. Step 4: Simplify right side
    54,485,658.40x = 2,688,812,636,847,159.50
  5. Step 5: Solve for x
    x = 2,688,812,636,847,159.50/54,485,658.40
  6. Step 6: Final answer
    x = 49,348,997.81

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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.