Home / 157,552,500.30-236,572,052.85-85,888,884.30

Finding the Fourth Proportional to 157,552,500.30, 236,572,052.85 and 85,888,884.30

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Solution

The fourth proportional to 157,552,500.30, 236,572,052.85 and 85,888,884.30 is: 128,965,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,552,500.30 : 236,572,052.85 = 85,888,884.30 : x
  2. Step 2: Convert to fraction form
    157,552,500.30/236,572,052.85 = 85,888,884.30/x
  3. Step 3: Cross multiply
    157,552,500.30x = 236,572,052.85 × 85,888,884.30
  4. Step 4: Simplify right side
    157,552,500.30x = 20,318,909,675,847,136
  5. Step 5: Solve for x
    x = 20,318,909,675,847,136/157,552,500.30
  6. Step 6: Final answer
    x = 128,965,961.42

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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.