Home / 121,731,812.42-182,166,686.04-75,695,360.36

Finding the Fourth Proportional to 121,731,812.42, 182,166,686.04 and 75,695,360.36

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Solution

The fourth proportional to 121,731,812.42, 182,166,686.04 and 75,695,360.36 is: 113,275,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,731,812.42 : 182,166,686.04 = 75,695,360.36 : x
  2. Step 2: Convert to fraction form
    121,731,812.42/182,166,686.04 = 75,695,360.36/x
  3. Step 3: Cross multiply
    121,731,812.42x = 182,166,686.04 × 75,695,360.36
  4. Step 4: Simplify right side
    121,731,812.42x = 13,789,172,945,384,780
  5. Step 5: Solve for x
    x = 13,789,172,945,384,780/121,731,812.42
  6. Step 6: Final answer
    x = 113,275,015.55

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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.