Home / 52,153,230.59-78,227,915.48-21,042,342.30

Finding the Fourth Proportional to 52,153,230.59, 78,227,915.48 and 21,042,342.30

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Solution

The fourth proportional to 52,153,230.59, 78,227,915.48 and 21,042,342.30 is: 31,562,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153,230.59 : 78,227,915.48 = 21,042,342.30 : x
  2. Step 2: Convert to fraction form
    52,153,230.59/78,227,915.48 = 21,042,342.30/x
  3. Step 3: Cross multiply
    52,153,230.59x = 78,227,915.48 × 21,042,342.30
  4. Step 4: Simplify right side
    52,153,230.59x = 1,646,098,575,331,064.75
  5. Step 5: Solve for x
    x = 1,646,098,575,331,064.75/52,153,230.59
  6. Step 6: Final answer
    x = 31,562,734.59

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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.