Home / 282,958,307.76-424,437,434.28-78,486,391.92

Finding the Fourth Proportional to 282,958,307.76, 424,437,434.28 and 78,486,391.92

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Solution

The fourth proportional to 282,958,307.76, 424,437,434.28 and 78,486,391.92 is: 117,729,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,958,307.76 : 424,437,434.28 = 78,486,391.92 : x
  2. Step 2: Convert to fraction form
    282,958,307.76/424,437,434.28 = 78,486,391.92/x
  3. Step 3: Cross multiply
    282,958,307.76x = 424,437,434.28 × 78,486,391.92
  4. Step 4: Simplify right side
    282,958,307.76x = 33,312,562,812,419,320
  5. Step 5: Solve for x
    x = 33,312,562,812,419,320/282,958,307.76
  6. Step 6: Final answer
    x = 117,729,580.29

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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.