Home / 145,541,200.80-217,807,916.40-133,447,965.60

Finding the Fourth Proportional to 145,541,200.80, 217,807,916.40 and 133,447,965.60

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Solution

The fourth proportional to 145,541,200.80, 217,807,916.40 and 133,447,965.60 is: 199,709,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,541,200.80 : 217,807,916.40 = 133,447,965.60 : x
  2. Step 2: Convert to fraction form
    145,541,200.80/217,807,916.40 = 133,447,965.60/x
  3. Step 3: Cross multiply
    145,541,200.80x = 217,807,916.40 × 133,447,965.60
  4. Step 4: Simplify right side
    145,541,200.80x = 29,066,023,335,154,876
  5. Step 5: Solve for x
    x = 29,066,023,335,154,876/145,541,200.80
  6. Step 6: Final answer
    x = 199,709,932.14

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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.