Home / 155,260,869,198.46-212,706,398,704.86-149,454,834,508.97

Finding the Fourth Proportional to 155,260,869,198.46, 212,706,398,704.86 and 149,454,834,508.97

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Solution

The fourth proportional to 155,260,869,198.46, 212,706,398,704.86 and 149,454,834,508.97 is: 204,752,168,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,260,869,198.46 : 212,706,398,704.86 = 149,454,834,508.97 : x
  2. Step 2: Convert to fraction form
    155,260,869,198.46/212,706,398,704.86 = 149,454,834,508.97/x
  3. Step 3: Cross multiply
    155,260,869,198.46x = 212,706,398,704.86 × 149,454,834,508.97
  4. Step 4: Simplify right side
    155,260,869,198.46x = 31,789,999,617,433,841,696,768
  5. Step 5: Solve for x
    x = 31,789,999,617,433,841,696,768/155,260,869,198.46
  6. Step 6: Final answer
    x = 204,752,168,280.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.