Home / 71,287,093.84-98,359,321.28-40,347,264

Finding the Fourth Proportional to 71,287,093.84, 98,359,321.28 and 40,347,264

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Solution

The fourth proportional to 71,287,093.84, 98,359,321.28 and 40,347,264 is: 55,669,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287,093.84 : 98,359,321.28 = 40,347,264 : x
  2. Step 2: Convert to fraction form
    71,287,093.84/98,359,321.28 = 40,347,264/x
  3. Step 3: Cross multiply
    71,287,093.84x = 98,359,321.28 × 40,347,264
  4. Step 4: Simplify right side
    71,287,093.84x = 3,968,529,502,544,978
  5. Step 5: Solve for x
    x = 3,968,529,502,544,978/71,287,093.84
  6. Step 6: Final answer
    x = 55,669,677.20

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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.