Home / 218,732,550.40-328,098,825.60-89,297,142.40

Finding the Fourth Proportional to 218,732,550.40, 328,098,825.60 and 89,297,142.40

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Solution

The fourth proportional to 218,732,550.40, 328,098,825.60 and 89,297,142.40 is: 133,945,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,732,550.40 : 328,098,825.60 = 89,297,142.40 : x
  2. Step 2: Convert to fraction form
    218,732,550.40/328,098,825.60 = 89,297,142.40/x
  3. Step 3: Cross multiply
    218,732,550.40x = 328,098,825.60 × 89,297,142.40
  4. Step 4: Simplify right side
    218,732,550.40x = 29,298,287,550,875,968
  5. Step 5: Solve for x
    x = 29,298,287,550,875,968/218,732,550.40
  6. Step 6: Final answer
    x = 133,945,713.60

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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.