Home / 105,195,001.76-145,172,202.72-58,785,367.04

Finding the Fourth Proportional to 105,195,001.76, 145,172,202.72 and 58,785,367.04

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Solution

The fourth proportional to 105,195,001.76, 145,172,202.72 and 58,785,367.04 is: 81,125,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,195,001.76 : 145,172,202.72 = 58,785,367.04 : x
  2. Step 2: Convert to fraction form
    105,195,001.76/145,172,202.72 = 58,785,367.04/x
  3. Step 3: Cross multiply
    105,195,001.76x = 145,172,202.72 × 58,785,367.04
  4. Step 4: Simplify right side
    105,195,001.76x = 8,534,001,220,900,486
  5. Step 5: Solve for x
    x = 8,534,001,220,900,486/105,195,001.76
  6. Step 6: Final answer
    x = 81,125,539.03

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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.