Home / 82,459,607.12-123,668,971.08-27,870,979.04

Finding the Fourth Proportional to 82,459,607.12, 123,668,971.08 and 27,870,979.04

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Solution

The fourth proportional to 82,459,607.12, 123,668,971.08 and 27,870,979.04 is: 41,799,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,459,607.12 : 123,668,971.08 = 27,870,979.04 : x
  2. Step 2: Convert to fraction form
    82,459,607.12/123,668,971.08 = 27,870,979.04/x
  3. Step 3: Cross multiply
    82,459,607.12x = 123,668,971.08 × 27,870,979.04
  4. Step 4: Simplify right side
    82,459,607.12x = 3,446,775,300,869,046
  5. Step 5: Solve for x
    x = 3,446,775,300,869,046/82,459,607.12
  6. Step 6: Final answer
    x = 41,799,560.07

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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.