Home / 54,287,538.10-81,431,307.15-45,784,482.10

Finding the Fourth Proportional to 54,287,538.10, 81,431,307.15 and 45,784,482.10

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Solution

The fourth proportional to 54,287,538.10, 81,431,307.15 and 45,784,482.10 is: 68,676,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,287,538.10 : 81,431,307.15 = 45,784,482.10 : x
  2. Step 2: Convert to fraction form
    54,287,538.10/81,431,307.15 = 45,784,482.10/x
  3. Step 3: Cross multiply
    54,287,538.10x = 81,431,307.15 × 45,784,482.10
  4. Step 4: Simplify right side
    54,287,538.10x = 3,728,290,224,588,777.50
  5. Step 5: Solve for x
    x = 3,728,290,224,588,777.50/54,287,538.10
  6. Step 6: Final answer
    x = 68,676,723.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.