Home / 126,323,998.60-189,485,997.90-124,623,387.40

Finding the Fourth Proportional to 126,323,998.60, 189,485,997.90 and 124,623,387.40

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Solution

The fourth proportional to 126,323,998.60, 189,485,997.90 and 124,623,387.40 is: 186,935,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,323,998.60 : 189,485,997.90 = 124,623,387.40 : x
  2. Step 2: Convert to fraction form
    126,323,998.60/189,485,997.90 = 124,623,387.40/x
  3. Step 3: Cross multiply
    126,323,998.60x = 189,485,997.90 × 124,623,387.40
  4. Step 4: Simplify right side
    126,323,998.60x = 23,614,386,923,167,288
  5. Step 5: Solve for x
    x = 23,614,386,923,167,288/126,323,998.60
  6. Step 6: Final answer
    x = 186,935,081.10

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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.