Home / 78,144,541.28-117,229,558.30-32,074,045.80

Finding the Fourth Proportional to 78,144,541.28, 117,229,558.30 and 32,074,045.80

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Solution

The fourth proportional to 78,144,541.28, 117,229,558.30 and 32,074,045.80 is: 48,116,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,144,541.28 : 117,229,558.30 = 32,074,045.80 : x
  2. Step 2: Convert to fraction form
    78,144,541.28/117,229,558.30 = 32,074,045.80/x
  3. Step 3: Cross multiply
    78,144,541.28x = 117,229,558.30 × 32,074,045.80
  4. Step 4: Simplify right side
    78,144,541.28x = 3,760,026,222,027,970
  5. Step 5: Solve for x
    x = 3,760,026,222,027,970/78,144,541.28
  6. Step 6: Final answer
    x = 48,116,300.39

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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.