Home / 84,360,026.90-126,540,040.35-26,858,110.70

Finding the Fourth Proportional to 84,360,026.90, 126,540,040.35 and 26,858,110.70

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Solution

The fourth proportional to 84,360,026.90, 126,540,040.35 and 26,858,110.70 is: 40,287,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,360,026.90 : 126,540,040.35 = 26,858,110.70 : x
  2. Step 2: Convert to fraction form
    84,360,026.90/126,540,040.35 = 26,858,110.70/x
  3. Step 3: Cross multiply
    84,360,026.90x = 126,540,040.35 × 26,858,110.70
  4. Step 4: Simplify right side
    84,360,026.90x = 3,398,626,411,702,766.50
  5. Step 5: Solve for x
    x = 3,398,626,411,702,766.50/84,360,026.90
  6. Step 6: Final answer
    x = 40,287,166.05

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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.