Home / 79,917,901.56-119,828,309.04-31,337,555.40

Finding the Fourth Proportional to 79,917,901.56, 119,828,309.04 and 31,337,555.40

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Solution

The fourth proportional to 79,917,901.56, 119,828,309.04 and 31,337,555.40 is: 46,987,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,917,901.56 : 119,828,309.04 = 31,337,555.40 : x
  2. Step 2: Convert to fraction form
    79,917,901.56/119,828,309.04 = 31,337,555.40/x
  3. Step 3: Cross multiply
    79,917,901.56x = 119,828,309.04 × 31,337,555.40
  4. Step 4: Simplify right side
    79,917,901.56x = 3,755,126,273,029,321
  5. Step 5: Solve for x
    x = 3,755,126,273,029,321/79,917,901.56
  6. Step 6: Final answer
    x = 46,987,298.21

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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.