Home / 84,217,152.40-126,325,728.60-48,385,344.40

Finding the Fourth Proportional to 84,217,152.40, 126,325,728.60 and 48,385,344.40

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Solution

The fourth proportional to 84,217,152.40, 126,325,728.60 and 48,385,344.40 is: 72,578,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,152.40 : 126,325,728.60 = 48,385,344.40 : x
  2. Step 2: Convert to fraction form
    84,217,152.40/126,325,728.60 = 48,385,344.40/x
  3. Step 3: Cross multiply
    84,217,152.40x = 126,325,728.60 × 48,385,344.40
  4. Step 4: Simplify right side
    84,217,152.40x = 6,112,313,884,891,929
  5. Step 5: Solve for x
    x = 6,112,313,884,891,929/84,217,152.40
  6. Step 6: Final answer
    x = 72,578,016.60

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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.