Home / 98,182,931.04-135,462,414.96-56,921,587.20

Finding the Fourth Proportional to 98,182,931.04, 135,462,414.96 and 56,921,587.20

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Solution

The fourth proportional to 98,182,931.04, 135,462,414.96 and 56,921,587.20 is: 78,534,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182,931.04 : 135,462,414.96 = 56,921,587.20 : x
  2. Step 2: Convert to fraction form
    98,182,931.04/135,462,414.96 = 56,921,587.20/x
  3. Step 3: Cross multiply
    98,182,931.04x = 135,462,414.96 × 56,921,587.20
  4. Step 4: Simplify right side
    98,182,931.04x = 7,710,735,665,468,225
  5. Step 5: Solve for x
    x = 7,710,735,665,468,225/98,182,931.04
  6. Step 6: Final answer
    x = 78,534,380.51

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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.