Home / 131,462,766.25-181,423,959.18-72,724,418.67

Finding the Fourth Proportional to 131,462,766.25, 181,423,959.18 and 72,724,418.67

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Solution

The fourth proportional to 131,462,766.25, 181,423,959.18 and 72,724,418.67 is: 100,362,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462,766.25 : 181,423,959.18 = 72,724,418.67 : x
  2. Step 2: Convert to fraction form
    131,462,766.25/181,423,959.18 = 72,724,418.67/x
  3. Step 3: Cross multiply
    131,462,766.25x = 181,423,959.18 × 72,724,418.67
  4. Step 4: Simplify right side
    131,462,766.25x = 13,193,951,964,175,310
  5. Step 5: Solve for x
    x = 13,193,951,964,175,310/131,462,766.25
  6. Step 6: Final answer
    x = 100,362,652.79

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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.