Home / 80,930,779.70-111,684,397.01-43,760,971.17

Finding the Fourth Proportional to 80,930,779.70, 111,684,397.01 and 43,760,971.17

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Solution

The fourth proportional to 80,930,779.70, 111,684,397.01 and 43,760,971.17 is: 60,390,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,779.70 : 111,684,397.01 = 43,760,971.17 : x
  2. Step 2: Convert to fraction form
    80,930,779.70/111,684,397.01 = 43,760,971.17/x
  3. Step 3: Cross multiply
    80,930,779.70x = 111,684,397.01 × 43,760,971.17
  4. Step 4: Simplify right side
    80,930,779.70x = 4,887,417,677,474,639
  5. Step 5: Solve for x
    x = 4,887,417,677,474,639/80,930,779.70
  6. Step 6: Final answer
    x = 60,390,097.51

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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.