Home / 103,493,190.10-155,239,785.15-88,105,020.70

Finding the Fourth Proportional to 103,493,190.10, 155,239,785.15 and 88,105,020.70

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Solution

The fourth proportional to 103,493,190.10, 155,239,785.15 and 88,105,020.70 is: 132,157,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,493,190.10 : 155,239,785.15 = 88,105,020.70 : x
  2. Step 2: Convert to fraction form
    103,493,190.10/155,239,785.15 = 88,105,020.70/x
  3. Step 3: Cross multiply
    103,493,190.10x = 155,239,785.15 × 88,105,020.70
  4. Step 4: Simplify right side
    103,493,190.10x = 13,677,404,484,104,304
  5. Step 5: Solve for x
    x = 13,677,404,484,104,304/103,493,190.10
  6. Step 6: Final answer
    x = 132,157,531.05

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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.