Home / 121,252,998.87-181,876,887-33,812,186.22

Finding the Fourth Proportional to 121,252,998.87, 181,876,887 and 33,812,186.22

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Solution

The fourth proportional to 121,252,998.87, 181,876,887 and 33,812,186.22 is: 50,717,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,252,998.87 : 181,876,887 = 33,812,186.22 : x
  2. Step 2: Convert to fraction form
    121,252,998.87/181,876,887 = 33,812,186.22/x
  3. Step 3: Cross multiply
    121,252,998.87x = 181,876,887 × 33,812,186.22
  4. Step 4: Simplify right side
    121,252,998.87x = 6,149,655,172,357,897
  5. Step 5: Solve for x
    x = 6,149,655,172,357,897/121,252,998.87
  6. Step 6: Final answer
    x = 50,717,551.15

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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.