Home / 257,238,006.29-385,661,754.06-132,606,332.85

Finding the Fourth Proportional to 257,238,006.29, 385,661,754.06 and 132,606,332.85

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Solution

The fourth proportional to 257,238,006.29, 385,661,754.06 and 132,606,332.85 is: 198,808,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,238,006.29 : 385,661,754.06 = 132,606,332.85 : x
  2. Step 2: Convert to fraction form
    257,238,006.29/385,661,754.06 = 132,606,332.85/x
  3. Step 3: Cross multiply
    257,238,006.29x = 385,661,754.06 × 132,606,332.85
  4. Step 4: Simplify right side
    257,238,006.29x = 51,141,190,926,395,200
  5. Step 5: Solve for x
    x = 51,141,190,926,395,200/257,238,006.29
  6. Step 6: Final answer
    x = 198,808,845.03

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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.