Home / 145,481,895.12-218,251,590.20-53,366,488.55

Finding the Fourth Proportional to 145,481,895.12, 218,251,590.20 and 53,366,488.55

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Solution

The fourth proportional to 145,481,895.12, 218,251,590.20 and 53,366,488.55 is: 80,060,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,481,895.12 : 218,251,590.20 = 53,366,488.55 : x
  2. Step 2: Convert to fraction form
    145,481,895.12/218,251,590.20 = 53,366,488.55/x
  3. Step 3: Cross multiply
    145,481,895.12x = 218,251,590.20 × 53,366,488.55
  4. Step 4: Simplify right side
    145,481,895.12x = 11,647,320,988,069,502
  5. Step 5: Solve for x
    x = 11,647,320,988,069,502/145,481,895.12
  6. Step 6: Final answer
    x = 80,060,278.14

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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.