Home / 121,731,809.95-182,166,682.33-75,695,357.89

Finding the Fourth Proportional to 121,731,809.95, 182,166,682.33 and 75,695,357.89

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Solution

The fourth proportional to 121,731,809.95, 182,166,682.33 and 75,695,357.89 is: 113,275,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,731,809.95 : 182,166,682.33 = 75,695,357.89 : x
  2. Step 2: Convert to fraction form
    121,731,809.95/182,166,682.33 = 75,695,357.89/x
  3. Step 3: Cross multiply
    121,731,809.95x = 182,166,682.33 × 75,695,357.89
  4. Step 4: Simplify right side
    121,731,809.95x = 13,789,172,214,925,618
  5. Step 5: Solve for x
    x = 13,789,172,214,925,618/121,731,809.95
  6. Step 6: Final answer
    x = 113,275,011.85

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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.