Home / 225,132,856.32-310,657,235.94-126,019,153.56

Finding the Fourth Proportional to 225,132,856.32, 310,657,235.94 and 126,019,153.56

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Solution

The fourth proportional to 225,132,856.32, 310,657,235.94 and 126,019,153.56 is: 173,891,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,132,856.32 : 310,657,235.94 = 126,019,153.56 : x
  2. Step 2: Convert to fraction form
    225,132,856.32/310,657,235.94 = 126,019,153.56/x
  3. Step 3: Cross multiply
    225,132,856.32x = 310,657,235.94 × 126,019,153.56
  4. Step 4: Simplify right side
    225,132,856.32x = 39,148,761,920,448,008
  5. Step 5: Solve for x
    x = 39,148,761,920,448,008/225,132,856.32
  6. Step 6: Final answer
    x = 173,891,819.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.