Home / 68,472,442.20-94,493,112-37,111,492.80

Finding the Fourth Proportional to 68,472,442.20, 94,493,112 and 37,111,492.80

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Solution

The fourth proportional to 68,472,442.20, 94,493,112 and 37,111,492.80 is: 51,214,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472,442.20 : 94,493,112 = 37,111,492.80 : x
  2. Step 2: Convert to fraction form
    68,472,442.20/94,493,112 = 37,111,492.80/x
  3. Step 3: Cross multiply
    68,472,442.20x = 94,493,112 × 37,111,492.80
  4. Step 4: Simplify right side
    68,472,442.20x = 3,506,780,445,637,593.50
  5. Step 5: Solve for x
    x = 3,506,780,445,637,593.50/68,472,442.20
  6. Step 6: Final answer
    x = 51,214,478.89

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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.