Home / 126,423,887.12-189,635,903.94-35,547,476.12

Finding the Fourth Proportional to 126,423,887.12, 189,635,903.94 and 35,547,476.12

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Solution

The fourth proportional to 126,423,887.12, 189,635,903.94 and 35,547,476.12 is: 53,321,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,423,887.12 : 189,635,903.94 = 35,547,476.12 : x
  2. Step 2: Convert to fraction form
    126,423,887.12/189,635,903.94 = 35,547,476.12/x
  3. Step 3: Cross multiply
    126,423,887.12x = 189,635,903.94 × 35,547,476.12
  4. Step 4: Simplify right side
    126,423,887.12x = 6,741,077,765,853,585
  5. Step 5: Solve for x
    x = 6,741,077,765,853,585/126,423,887.12
  6. Step 6: Final answer
    x = 53,321,234.77

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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.