Home / 84,767,351.80-126,962,070.90-65,493,758.20

Finding the Fourth Proportional to 84,767,351.80, 126,962,070.90 and 65,493,758.20

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Solution

The fourth proportional to 84,767,351.80, 126,962,070.90 and 65,493,758.20 is: 98,094,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,767,351.80 : 126,962,070.90 = 65,493,758.20 : x
  2. Step 2: Convert to fraction form
    84,767,351.80/126,962,070.90 = 65,493,758.20/x
  3. Step 3: Cross multiply
    84,767,351.80x = 126,962,070.90 × 65,493,758.20
  4. Step 4: Simplify right side
    84,767,351.80x = 8,315,223,172,095,857
  5. Step 5: Solve for x
    x = 8,315,223,172,095,857/84,767,351.80
  6. Step 6: Final answer
    x = 98,094,643.70

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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.