Home / 84,118,579.10-126,189,678.45-26,604,853.10

Finding the Fourth Proportional to 84,118,579.10, 126,189,678.45 and 26,604,853.10

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Solution

The fourth proportional to 84,118,579.10, 126,189,678.45 and 26,604,853.10 is: 39,911,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118,579.10 : 126,189,678.45 = 26,604,853.10 : x
  2. Step 2: Convert to fraction form
    84,118,579.10/126,189,678.45 = 26,604,853.10/x
  3. Step 3: Cross multiply
    84,118,579.10x = 126,189,678.45 × 26,604,853.10
  4. Step 4: Simplify right side
    84,118,579.10x = 3,357,257,857,898,486
  5. Step 5: Solve for x
    x = 3,357,257,857,898,486/84,118,579.10
  6. Step 6: Final answer
    x = 39,911,014.83

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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.