Home / 83,679,603.66-115,487,216.91-50,658,061.50

Finding the Fourth Proportional to 83,679,603.66, 115,487,216.91 and 50,658,061.50

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Solution

The fourth proportional to 83,679,603.66, 115,487,216.91 and 50,658,061.50 is: 69,913,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,679,603.66 : 115,487,216.91 = 50,658,061.50 : x
  2. Step 2: Convert to fraction form
    83,679,603.66/115,487,216.91 = 50,658,061.50/x
  3. Step 3: Cross multiply
    83,679,603.66x = 115,487,216.91 × 50,658,061.50
  4. Step 4: Simplify right side
    83,679,603.66x = 5,850,358,536,690,620
  5. Step 5: Solve for x
    x = 5,850,358,536,690,620/83,679,603.66
  6. Step 6: Final answer
    x = 69,913,793.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.