Home / 151,336,468.80-227,004,703.20-42,178,487.40

Finding the Fourth Proportional to 151,336,468.80, 227,004,703.20 and 42,178,487.40

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Solution

The fourth proportional to 151,336,468.80, 227,004,703.20 and 42,178,487.40 is: 63,267,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,336,468.80 : 227,004,703.20 = 42,178,487.40 : x
  2. Step 2: Convert to fraction form
    151,336,468.80/227,004,703.20 = 42,178,487.40/x
  3. Step 3: Cross multiply
    151,336,468.80x = 227,004,703.20 × 42,178,487.40
  4. Step 4: Simplify right side
    151,336,468.80x = 9,574,715,013,661,938
  5. Step 5: Solve for x
    x = 9,574,715,013,661,938/151,336,468.80
  6. Step 6: Final answer
    x = 63,267,731.10

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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.