Home / 131,573,538.27-181,572,919.38-72,837,184.50

Finding the Fourth Proportional to 131,573,538.27, 181,572,919.38 and 72,837,184.50

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Solution

The fourth proportional to 131,573,538.27, 181,572,919.38 and 72,837,184.50 is: 100,516,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573,538.27 : 181,572,919.38 = 72,837,184.50 : x
  2. Step 2: Convert to fraction form
    131,573,538.27/181,572,919.38 = 72,837,184.50/x
  3. Step 3: Cross multiply
    131,573,538.27x = 181,572,919.38 × 72,837,184.50
  4. Step 4: Simplify right side
    131,573,538.27x = 13,225,260,229,084,686
  5. Step 5: Solve for x
    x = 13,225,260,229,084,686/131,573,538.27
  6. Step 6: Final answer
    x = 100,516,109.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.