Home / 84,119,993.10-126,190,065.33-25,820,035.74

Finding the Fourth Proportional to 84,119,993.10, 126,190,065.33 and 25,820,035.74

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Solution

The fourth proportional to 84,119,993.10, 126,190,065.33 and 25,820,035.74 is: 38,733,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,119,993.10 : 126,190,065.33 = 25,820,035.74 : x
  2. Step 2: Convert to fraction form
    84,119,993.10/126,190,065.33 = 25,820,035.74/x
  3. Step 3: Cross multiply
    84,119,993.10x = 126,190,065.33 × 25,820,035.74
  4. Step 4: Simplify right side
    84,119,993.10x = 3,258,231,996,853,534.50
  5. Step 5: Solve for x
    x = 3,258,231,996,853,534.50/84,119,993.10
  6. Step 6: Final answer
    x = 38,733,146.27

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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.