Home / 145,482,338.14-218,252,255.31-53,366,931.49

Finding the Fourth Proportional to 145,482,338.14, 218,252,255.31 and 53,366,931.49

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Solution

The fourth proportional to 145,482,338.14, 218,252,255.31 and 53,366,931.49 is: 80,060,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,482,338.14 : 218,252,255.31 = 53,366,931.49 : x
  2. Step 2: Convert to fraction form
    145,482,338.14/218,252,255.31 = 53,366,931.49/x
  3. Step 3: Cross multiply
    145,482,338.14x = 218,252,255.31 × 53,366,931.49
  4. Step 4: Simplify right side
    145,482,338.14x = 11,647,453,156,666,760
  5. Step 5: Solve for x
    x = 11,647,453,156,666,760/145,482,338.14
  6. Step 6: Final answer
    x = 80,060,942.83

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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.