Home / 84,087,098.10-126,130,647.15-26,596,991.70

Finding the Fourth Proportional to 84,087,098.10, 126,130,647.15 and 26,596,991.70

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Solution

The fourth proportional to 84,087,098.10, 126,130,647.15 and 26,596,991.70 is: 39,895,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087,098.10 : 126,130,647.15 = 26,596,991.70 : x
  2. Step 2: Convert to fraction form
    84,087,098.10/126,130,647.15 = 26,596,991.70/x
  3. Step 3: Cross multiply
    84,087,098.10x = 126,130,647.15 × 26,596,991.70
  4. Step 4: Simplify right side
    84,087,098.10x = 3,354,695,775,364,178.50
  5. Step 5: Solve for x
    x = 3,354,695,775,364,178.50/84,087,098.10
  6. Step 6: Final answer
    x = 39,895,487.55

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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.