Home / 123,865,981.35-185,807,165.07-36,435,319.76

Finding the Fourth Proportional to 123,865,981.35, 185,807,165.07 and 36,435,319.76

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Solution

The fourth proportional to 123,865,981.35, 185,807,165.07 and 36,435,319.76 is: 54,655,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,865,981.35 : 185,807,165.07 = 36,435,319.76 : x
  2. Step 2: Convert to fraction form
    123,865,981.35/185,807,165.07 = 36,435,319.76/x
  3. Step 3: Cross multiply
    123,865,981.35x = 185,807,165.07 × 36,435,319.76
  4. Step 4: Simplify right side
    123,865,981.35x = 6,769,943,472,095,517
  5. Step 5: Solve for x
    x = 6,769,943,472,095,517/123,865,981.35
  6. Step 6: Final answer
    x = 54,655,389.63

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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.