Home / 83,100,013.60-124,657,105.20-21,697,319.20

Finding the Fourth Proportional to 83,100,013.60, 124,657,105.20 and 21,697,319.20

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Solution

The fourth proportional to 83,100,013.60, 124,657,105.20 and 21,697,319.20 is: 32,547,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100,013.60 : 124,657,105.20 = 21,697,319.20 : x
  2. Step 2: Convert to fraction form
    83,100,013.60/124,657,105.20 = 21,697,319.20/x
  3. Step 3: Cross multiply
    83,100,013.60x = 124,657,105.20 × 21,697,319.20
  4. Step 4: Simplify right side
    83,100,013.60x = 2,704,725,002,072,380
  5. Step 5: Solve for x
    x = 2,704,725,002,072,380/83,100,013.60
  6. Step 6: Final answer
    x = 32,547,828.63

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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.