Home / 56,049,501.20-84,074,251.80-47,121,292.40

Finding the Fourth Proportional to 56,049,501.20, 84,074,251.80 and 47,121,292.40

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Solution

The fourth proportional to 56,049,501.20, 84,074,251.80 and 47,121,292.40 is: 70,681,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049,501.20 : 84,074,251.80 = 47,121,292.40 : x
  2. Step 2: Convert to fraction form
    56,049,501.20/84,074,251.80 = 47,121,292.40/x
  3. Step 3: Cross multiply
    56,049,501.20x = 84,074,251.80 × 47,121,292.40
  4. Step 4: Simplify right side
    56,049,501.20x = 3,961,687,402,379,026
  5. Step 5: Solve for x
    x = 3,961,687,402,379,026/56,049,501.20
  6. Step 6: Final answer
    x = 70,681,938.60

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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.