Home / 57,088,206.76-78,781,765.16-30,982,724.05

Finding the Fourth Proportional to 57,088,206.76, 78,781,765.16 and 30,982,724.05

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Solution

The fourth proportional to 57,088,206.76, 78,781,765.16 and 30,982,724.05 is: 42,756,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088,206.76 : 78,781,765.16 = 30,982,724.05 : x
  2. Step 2: Convert to fraction form
    57,088,206.76/78,781,765.16 = 30,982,724.05/x
  3. Step 3: Cross multiply
    57,088,206.76x = 78,781,765.16 × 30,982,724.05
  4. Step 4: Simplify right side
    57,088,206.76x = 2,440,873,690,124,184
  5. Step 5: Solve for x
    x = 2,440,873,690,124,184/57,088,206.76
  6. Step 6: Final answer
    x = 42,756,180.81

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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.