Home / 52,488,082.80-78,732,124.20-18,397,126.80

Finding the Fourth Proportional to 52,488,082.80, 78,732,124.20 and 18,397,126.80

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Solution

The fourth proportional to 52,488,082.80, 78,732,124.20 and 18,397,126.80 is: 27,595,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,082.80 : 78,732,124.20 = 18,397,126.80 : x
  2. Step 2: Convert to fraction form
    52,488,082.80/78,732,124.20 = 18,397,126.80/x
  3. Step 3: Cross multiply
    52,488,082.80x = 78,732,124.20 × 18,397,126.80
  4. Step 4: Simplify right side
    52,488,082.80x = 1,448,444,872,140,748.75
  5. Step 5: Solve for x
    x = 1,448,444,872,140,748.75/52,488,082.80
  6. Step 6: Final answer
    x = 27,595,690.20

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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.