Home / 107,832,535.40-161,748,803.10-67,017,866.60

Finding the Fourth Proportional to 107,832,535.40, 161,748,803.10 and 67,017,866.60

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Solution

The fourth proportional to 107,832,535.40, 161,748,803.10 and 67,017,866.60 is: 100,526,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,832,535.40 : 161,748,803.10 = 67,017,866.60 : x
  2. Step 2: Convert to fraction form
    107,832,535.40/161,748,803.10 = 67,017,866.60/x
  3. Step 3: Cross multiply
    107,832,535.40x = 161,748,803.10 × 67,017,866.60
  4. Step 4: Simplify right side
    107,832,535.40x = 10,840,059,708,865,466
  5. Step 5: Solve for x
    x = 10,840,059,708,865,466/107,832,535.40
  6. Step 6: Final answer
    x = 100,526,799.90

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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.