Home / 78,192,387.76-117,288,974.40-32,159,362

Finding the Fourth Proportional to 78,192,387.76, 117,288,974.40 and 32,159,362

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Solution

The fourth proportional to 78,192,387.76, 117,288,974.40 and 32,159,362 is: 48,239,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,192,387.76 : 117,288,974.40 = 32,159,362 : x
  2. Step 2: Convert to fraction form
    78,192,387.76/117,288,974.40 = 32,159,362/x
  3. Step 3: Cross multiply
    78,192,387.76x = 117,288,974.40 × 32,159,362
  4. Step 4: Simplify right side
    78,192,387.76x = 3,771,938,586,338,333
  5. Step 5: Solve for x
    x = 3,771,938,586,338,333/78,192,387.76
  6. Step 6: Final answer
    x = 48,239,204.54

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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.