Home / 67,019,717.01-92,494,698.48-40,572,642.78

Finding the Fourth Proportional to 67,019,717.01, 92,494,698.48 and 40,572,642.78

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Solution

The fourth proportional to 67,019,717.01, 92,494,698.48 and 40,572,642.78 is: 55,994,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019,717.01 : 92,494,698.48 = 40,572,642.78 : x
  2. Step 2: Convert to fraction form
    67,019,717.01/92,494,698.48 = 40,572,642.78/x
  3. Step 3: Cross multiply
    67,019,717.01x = 92,494,698.48 × 40,572,642.78
  4. Step 4: Simplify right side
    67,019,717.01x = 3,752,754,360,472,849.50
  5. Step 5: Solve for x
    x = 3,752,754,360,472,849.50/67,019,717.01
  6. Step 6: Final answer
    x = 55,994,780.76

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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.