Home / 72,440,679.49-99,959,064.14-48,970,283.03

Finding the Fourth Proportional to 72,440,679.49, 99,959,064.14 and 48,970,283.03

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Solution

The fourth proportional to 72,440,679.49, 99,959,064.14 and 48,970,283.03 is: 67,572,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440,679.49 : 99,959,064.14 = 48,970,283.03 : x
  2. Step 2: Convert to fraction form
    72,440,679.49/99,959,064.14 = 48,970,283.03/x
  3. Step 3: Cross multiply
    72,440,679.49x = 99,959,064.14 × 48,970,283.03
  4. Step 4: Simplify right side
    72,440,679.49x = 4,895,023,662,104,873
  5. Step 5: Solve for x
    x = 4,895,023,662,104,873/72,440,679.49
  6. Step 6: Final answer
    x = 67,572,856.81

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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.