Home / 54,354,643.76-81,506,771.40-20,266,837.04

Finding the Fourth Proportional to 54,354,643.76, 81,506,771.40 and 20,266,837.04

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Solution

The fourth proportional to 54,354,643.76, 81,506,771.40 and 20,266,837.04 is: 30,390,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354,643.76 : 81,506,771.40 = 20,266,837.04 : x
  2. Step 2: Convert to fraction form
    54,354,643.76/81,506,771.40 = 20,266,837.04/x
  3. Step 3: Cross multiply
    54,354,643.76x = 81,506,771.40 × 20,266,837.04
  4. Step 4: Simplify right side
    54,354,643.76x = 1,651,884,453,620,332.75
  5. Step 5: Solve for x
    x = 1,651,884,453,620,332.75/54,354,643.76
  6. Step 6: Final answer
    x = 30,390,861.56

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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.