Home / 282,958,309.76-424,437,437.28-78,486,393.92

Finding the Fourth Proportional to 282,958,309.76, 424,437,437.28 and 78,486,393.92

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Solution

The fourth proportional to 282,958,309.76, 424,437,437.28 and 78,486,393.92 is: 117,729,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,958,309.76 : 424,437,437.28 = 78,486,393.92 : x
  2. Step 2: Convert to fraction form
    282,958,309.76/424,437,437.28 = 78,486,393.92/x
  3. Step 3: Cross multiply
    282,958,309.76x = 424,437,437.28 × 78,486,393.92
  4. Step 4: Simplify right side
    282,958,309.76x = 33,312,563,896,753,372
  5. Step 5: Solve for x
    x = 33,312,563,896,753,372/282,958,309.76
  6. Step 6: Final answer
    x = 117,729,583.29

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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.