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Finding the Fourth Proportional to 118,285,666.30, 177,428,499.45 and 118,285,666.30

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Solution

The fourth proportional to 118,285,666.30, 177,428,499.45 and 118,285,666.30 is: 177,428,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,285,666.30 : 177,428,499.45 = 118,285,666.30 : x
  2. Step 2: Convert to fraction form
    118,285,666.30/177,428,499.45 = 118,285,666.30/x
  3. Step 3: Cross multiply
    118,285,666.30x = 177,428,499.45 × 118,285,666.30
  4. Step 4: Simplify right side
    118,285,666.30x = 20,987,248,278,052,432
  5. Step 5: Solve for x
    x = 20,987,248,278,052,432/118,285,666.30
  6. Step 6: Final answer
    x = 177,428,499.45

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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.