Home / 107,841,811.80-161,762,717.70-90,623,123.40

Finding the Fourth Proportional to 107,841,811.80, 161,762,717.70 and 90,623,123.40

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Solution

The fourth proportional to 107,841,811.80, 161,762,717.70 and 90,623,123.40 is: 135,934,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,811.80 : 161,762,717.70 = 90,623,123.40 : x
  2. Step 2: Convert to fraction form
    107,841,811.80/161,762,717.70 = 90,623,123.40/x
  3. Step 3: Cross multiply
    107,841,811.80x = 161,762,717.70 × 90,623,123.40
  4. Step 4: Simplify right side
    107,841,811.80x = 14,659,442,727,646,464
  5. Step 5: Solve for x
    x = 14,659,442,727,646,464/107,841,811.80
  6. Step 6: Final answer
    x = 135,934,685.10

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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.