Home / 84,360,021.40-126,540,032.10-26,858,105.20

Finding the Fourth Proportional to 84,360,021.40, 126,540,032.10 and 26,858,105.20

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Solution

The fourth proportional to 84,360,021.40, 126,540,032.10 and 26,858,105.20 is: 40,287,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,360,021.40 : 126,540,032.10 = 26,858,105.20 : x
  2. Step 2: Convert to fraction form
    84,360,021.40/126,540,032.10 = 26,858,105.20/x
  3. Step 3: Cross multiply
    84,360,021.40x = 126,540,032.10 × 26,858,105.20
  4. Step 4: Simplify right side
    84,360,021.40x = 3,398,625,494,153,176.50
  5. Step 5: Solve for x
    x = 3,398,625,494,153,176.50/84,360,021.40
  6. Step 6: Final answer
    x = 40,287,157.80

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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.