Home / 84,767,344.80-126,962,060.40-65,493,751.20

Finding the Fourth Proportional to 84,767,344.80, 126,962,060.40 and 65,493,751.20

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Solution

The fourth proportional to 84,767,344.80, 126,962,060.40 and 65,493,751.20 is: 98,094,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,767,344.80 : 126,962,060.40 = 65,493,751.20 : x
  2. Step 2: Convert to fraction form
    84,767,344.80/126,962,060.40 = 65,493,751.20/x
  3. Step 3: Cross multiply
    84,767,344.80x = 126,962,060.40 × 65,493,751.20
  4. Step 4: Simplify right side
    84,767,344.80x = 8,315,221,595,676,973
  5. Step 5: Solve for x
    x = 8,315,221,595,676,973/84,767,344.80
  6. Step 6: Final answer
    x = 98,094,633.20

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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.