Home / 67,019,714.75-92,494,695.38-40,572,640.53

Finding the Fourth Proportional to 67,019,714.75, 92,494,695.38 and 40,572,640.53

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Solution

The fourth proportional to 67,019,714.75, 92,494,695.38 and 40,572,640.53 is: 55,994,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019,714.75 : 92,494,695.38 = 40,572,640.53 : x
  2. Step 2: Convert to fraction form
    67,019,714.75/92,494,695.38 = 40,572,640.53/x
  3. Step 3: Cross multiply
    67,019,714.75x = 92,494,695.38 × 40,572,640.53
  4. Step 4: Simplify right side
    67,019,714.75x = 3,752,754,026,381,728.50
  5. Step 5: Solve for x
    x = 3,752,754,026,381,728.50/67,019,714.75
  6. Step 6: Final answer
    x = 55,994,777.66

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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.