Home / 84,360,018.90-126,540,028.35-26,858,102.70

Finding the Fourth Proportional to 84,360,018.90, 126,540,028.35 and 26,858,102.70

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Solution

The fourth proportional to 84,360,018.90, 126,540,028.35 and 26,858,102.70 is: 40,287,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,360,018.90 : 126,540,028.35 = 26,858,102.70 : x
  2. Step 2: Convert to fraction form
    84,360,018.90/126,540,028.35 = 26,858,102.70/x
  3. Step 3: Cross multiply
    84,360,018.90x = 126,540,028.35 × 26,858,102.70
  4. Step 4: Simplify right side
    84,360,018.90x = 3,398,625,077,085,211.50
  5. Step 5: Solve for x
    x = 3,398,625,077,085,211.50/84,360,018.90
  6. Step 6: Final answer
    x = 40,287,154.05

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1.5x scale

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.