Home / 84,564,155.40-126,846,233.10-71,809,571.40

Finding the Fourth Proportional to 84,564,155.40, 126,846,233.10 and 71,809,571.40

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Solution

The fourth proportional to 84,564,155.40, 126,846,233.10 and 71,809,571.40 is: 107,714,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,155.40 : 126,846,233.10 = 71,809,571.40 : x
  2. Step 2: Convert to fraction form
    84,564,155.40/126,846,233.10 = 71,809,571.40/x
  3. Step 3: Cross multiply
    84,564,155.40x = 126,846,233.10 × 71,809,571.40
  4. Step 4: Simplify right side
    84,564,155.40x = 9,108,773,632,615,494
  5. Step 5: Solve for x
    x = 9,108,773,632,615,494/84,564,155.40
  6. Step 6: Final answer
    x = 107,714,357.10

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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.