Home / 107,841,807.80-161,762,711.70-90,623,119.40

Finding the Fourth Proportional to 107,841,807.80, 161,762,711.70 and 90,623,119.40

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Solution

The fourth proportional to 107,841,807.80, 161,762,711.70 and 90,623,119.40 is: 135,934,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,807.80 : 161,762,711.70 = 90,623,119.40 : x
  2. Step 2: Convert to fraction form
    107,841,807.80/161,762,711.70 = 90,623,119.40/x
  3. Step 3: Cross multiply
    107,841,807.80x = 161,762,711.70 × 90,623,119.40
  4. Step 4: Simplify right side
    107,841,807.80x = 14,659,441,536,856,876
  5. Step 5: Solve for x
    x = 14,659,441,536,856,876/107,841,807.80
  6. Step 6: Final answer
    x = 135,934,679.10

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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.