Home / 85,972,824.65-118,611,340.98-48,781,566.11

Finding the Fourth Proportional to 85,972,824.65, 118,611,340.98 and 48,781,566.11

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Solution

The fourth proportional to 85,972,824.65, 118,611,340.98 and 48,781,566.11 is: 67,300,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,972,824.65 : 118,611,340.98 = 48,781,566.11 : x
  2. Step 2: Convert to fraction form
    85,972,824.65/118,611,340.98 = 48,781,566.11/x
  3. Step 3: Cross multiply
    85,972,824.65x = 118,611,340.98 × 48,781,566.11
  4. Step 4: Simplify right side
    85,972,824.65x = 5,786,046,970,818,565
  5. Step 5: Solve for x
    x = 5,786,046,970,818,565/85,972,824.65
  6. Step 6: Final answer
    x = 67,300,882.51

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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.