Home / 318,816,073.70-478,224,110.55-88,820,656.10

Finding the Fourth Proportional to 318,816,073.70, 478,224,110.55 and 88,820,656.10

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Solution

The fourth proportional to 318,816,073.70, 478,224,110.55 and 88,820,656.10 is: 133,230,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,816,073.70 : 478,224,110.55 = 88,820,656.10 : x
  2. Step 2: Convert to fraction form
    318,816,073.70/478,224,110.55 = 88,820,656.10/x
  3. Step 3: Cross multiply
    318,816,073.70x = 478,224,110.55 × 88,820,656.10
  4. Step 4: Simplify right side
    318,816,073.70x = 42,476,179,261,889,928
  5. Step 5: Solve for x
    x = 42,476,179,261,889,928/318,816,073.70
  6. Step 6: Final answer
    x = 133,230,984.15

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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.