Home / 66,264,572.28-91,449,259.02-40,161,369.72

Finding the Fourth Proportional to 66,264,572.28, 91,449,259.02 and 40,161,369.72

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Solution

The fourth proportional to 66,264,572.28, 91,449,259.02 and 40,161,369.72 is: 55,425,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264,572.28 : 91,449,259.02 = 40,161,369.72 : x
  2. Step 2: Convert to fraction form
    66,264,572.28/91,449,259.02 = 40,161,369.72/x
  3. Step 3: Cross multiply
    66,264,572.28x = 91,449,259.02 × 40,161,369.72
  4. Step 4: Simplify right side
    66,264,572.28x = 3,672,727,502,122,264.50
  5. Step 5: Solve for x
    x = 3,672,727,502,122,264.50/66,264,572.28
  6. Step 6: Final answer
    x = 55,425,204.99

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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.