Home / 84,019,019.04-126,028,550.16-26,515,790.64

Finding the Fourth Proportional to 84,019,019.04, 126,028,550.16 and 26,515,790.64

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Solution

The fourth proportional to 84,019,019.04, 126,028,550.16 and 26,515,790.64 is: 39,773,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019,019.04 : 126,028,550.16 = 26,515,790.64 : x
  2. Step 2: Convert to fraction form
    84,019,019.04/126,028,550.16 = 26,515,790.64/x
  3. Step 3: Cross multiply
    84,019,019.04x = 126,028,550.16 × 26,515,790.64
  4. Step 4: Simplify right side
    84,019,019.04x = 3,341,746,650,705,298.50
  5. Step 5: Solve for x
    x = 3,341,746,650,705,298.50/84,019,019.04
  6. Step 6: Final answer
    x = 39,773,692.78

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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.