Home / 52,488,049.20-78,732,073.80-50,724,452.40

Finding the Fourth Proportional to 52,488,049.20, 78,732,073.80 and 50,724,452.40

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Solution

The fourth proportional to 52,488,049.20, 78,732,073.80 and 50,724,452.40 is: 76,086,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,049.20 : 78,732,073.80 = 50,724,452.40 : x
  2. Step 2: Convert to fraction form
    52,488,049.20/78,732,073.80 = 50,724,452.40/x
  3. Step 3: Cross multiply
    52,488,049.20x = 78,732,073.80 × 50,724,452.40
  4. Step 4: Simplify right side
    52,488,049.20x = 3,993,641,329,821,387
  5. Step 5: Solve for x
    x = 3,993,641,329,821,387/52,488,049.20
  6. Step 6: Final answer
    x = 76,086,678.60

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1.5x scale

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.