Home / 84,024,003.60-126,036,005.40-71,930,768.40

Finding the Fourth Proportional to 84,024,003.60, 126,036,005.40 and 71,930,768.40

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Solution

The fourth proportional to 84,024,003.60, 126,036,005.40 and 71,930,768.40 is: 107,896,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,024,003.60 : 126,036,005.40 = 71,930,768.40 : x
  2. Step 2: Convert to fraction form
    84,024,003.60/126,036,005.40 = 71,930,768.40/x
  3. Step 3: Cross multiply
    84,024,003.60x = 126,036,005.40 × 71,930,768.40
  4. Step 4: Simplify right side
    84,024,003.60x = 9,065,866,714,488,550
  5. Step 5: Solve for x
    x = 9,065,866,714,488,550/84,024,003.60
  6. Step 6: Final answer
    x = 107,896,152.60

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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.