Home / 157,717,832.80-236,222,854.80-129,406,280.80

Finding the Fourth Proportional to 157,717,832.80, 236,222,854.80 and 129,406,280.80

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Solution

The fourth proportional to 157,717,832.80, 236,222,854.80 and 129,406,280.80 is: 193,819,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,717,832.80 : 236,222,854.80 = 129,406,280.80 : x
  2. Step 2: Convert to fraction form
    157,717,832.80/236,222,854.80 = 129,406,280.80/x
  3. Step 3: Cross multiply
    157,717,832.80x = 236,222,854.80 × 129,406,280.80
  4. Step 4: Simplify right side
    157,717,832.80x = 30,568,721,079,626,428
  5. Step 5: Solve for x
    x = 30,568,721,079,626,428/157,717,832.80
  6. Step 6: Final answer
    x = 193,819,053.54

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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.