Home / 120,662,688.87-181,049,697.27-55,103,924.13

Finding the Fourth Proportional to 120,662,688.87, 181,049,697.27 and 55,103,924.13

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Solution

The fourth proportional to 120,662,688.87, 181,049,697.27 and 55,103,924.13 is: 82,681,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,662,688.87 : 181,049,697.27 = 55,103,924.13 : x
  2. Step 2: Convert to fraction form
    120,662,688.87/181,049,697.27 = 55,103,924.13/x
  3. Step 3: Cross multiply
    120,662,688.87x = 181,049,697.27 × 55,103,924.13
  4. Step 4: Simplify right side
    120,662,688.87x = 9,976,548,782,125,550
  5. Step 5: Solve for x
    x = 9,976,548,782,125,550/120,662,688.87
  6. Step 6: Final answer
    x = 82,681,306.67

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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.