Home / 80,896,228.20-121,344,342.30-29,767,667.40

Finding the Fourth Proportional to 80,896,228.20, 121,344,342.30 and 29,767,667.40

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Solution

The fourth proportional to 80,896,228.20, 121,344,342.30 and 29,767,667.40 is: 44,651,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896,228.20 : 121,344,342.30 = 29,767,667.40 : x
  2. Step 2: Convert to fraction form
    80,896,228.20/121,344,342.30 = 29,767,667.40/x
  3. Step 3: Cross multiply
    80,896,228.20x = 121,344,342.30 × 29,767,667.40
  4. Step 4: Simplify right side
    80,896,228.20x = 3,612,138,022,458,151
  5. Step 5: Solve for x
    x = 3,612,138,022,458,151/80,896,228.20
  6. Step 6: Final answer
    x = 44,651,501.10

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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.