Home / 121,822,973.20-182,677,773.12-45,125,408.08

Finding the Fourth Proportional to 121,822,973.20, 182,677,773.12 and 45,125,408.08

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Solution

The fourth proportional to 121,822,973.20, 182,677,773.12 and 45,125,408.08 is: 67,667,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,822,973.20 : 182,677,773.12 = 45,125,408.08 : x
  2. Step 2: Convert to fraction form
    121,822,973.20/182,677,773.12 = 45,125,408.08/x
  3. Step 3: Cross multiply
    121,822,973.20x = 182,677,773.12 × 45,125,408.08
  4. Step 4: Simplify right side
    121,822,973.20x = 8,243,409,059,185,655
  5. Step 5: Solve for x
    x = 8,243,409,059,185,655/121,822,973.20
  6. Step 6: Final answer
    x = 67,667,114.36

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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.