Home / 82,581,016,918.60-123,937,719,921.96-42,798,165,522.16

Finding the Fourth Proportional to 82,581,016,918.60, 123,937,719,921.96 and 42,798,165,522.16

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Solution

The fourth proportional to 82,581,016,918.60, 123,937,719,921.96 and 42,798,165,522.16 is: 64,231,554,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,581,016,918.60 : 123,937,719,921.96 = 42,798,165,522.16 : x
  2. Step 2: Convert to fraction form
    82,581,016,918.60/123,937,719,921.96 = 42,798,165,522.16/x
  3. Step 3: Cross multiply
    82,581,016,918.60x = 123,937,719,921.96 × 42,798,165,522.16
  4. Step 4: Simplify right side
    82,581,016,918.60x = 5,304,307,051,659,151,802,368
  5. Step 5: Solve for x
    x = 5,304,307,051,659,151,802,368/82,581,016,918.60
  6. Step 6: Final answer
    x = 64,231,554,049.37

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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.