Home / 81,124,277.52-121,601,385.69-29,973,671.76

Finding the Fourth Proportional to 81,124,277.52, 121,601,385.69 and 29,973,671.76

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Solution

The fourth proportional to 81,124,277.52, 121,601,385.69 and 29,973,671.76 is: 44,929,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,124,277.52 : 121,601,385.69 = 29,973,671.76 : x
  2. Step 2: Convert to fraction form
    81,124,277.52/121,601,385.69 = 29,973,671.76/x
  3. Step 3: Cross multiply
    81,124,277.52x = 121,601,385.69 × 29,973,671.76
  4. Step 4: Simplify right side
    81,124,277.52x = 3,644,840,020,233,221
  5. Step 5: Solve for x
    x = 3,644,840,020,233,221/81,124,277.52
  6. Step 6: Final answer
    x = 44,929,090.67

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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.