Home / 126,357,158.88-189,547,305.12-35,480,135.52

Finding the Fourth Proportional to 126,357,158.88, 189,547,305.12 and 35,480,135.52

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Solution

The fourth proportional to 126,357,158.88, 189,547,305.12 and 35,480,135.52 is: 53,223,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,357,158.88 : 189,547,305.12 = 35,480,135.52 : x
  2. Step 2: Convert to fraction form
    126,357,158.88/189,547,305.12 = 35,480,135.52/x
  3. Step 3: Cross multiply
    126,357,158.88x = 189,547,305.12 × 35,480,135.52
  4. Step 4: Simplify right side
    126,357,158.88x = 6,725,164,073,108,391
  5. Step 5: Solve for x
    x = 6,725,164,073,108,391/126,357,158.88
  6. Step 6: Final answer
    x = 53,223,451.15

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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.