Home / 91,042,217.80-136,563,326.70-84,995,600.20

Finding the Fourth Proportional to 91,042,217.80, 136,563,326.70 and 84,995,600.20

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Solution

The fourth proportional to 91,042,217.80, 136,563,326.70 and 84,995,600.20 is: 127,493,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,042,217.80 : 136,563,326.70 = 84,995,600.20 : x
  2. Step 2: Convert to fraction form
    91,042,217.80/136,563,326.70 = 84,995,600.20/x
  3. Step 3: Cross multiply
    91,042,217.80x = 136,563,326.70 × 84,995,600.20
  4. Step 4: Simplify right side
    91,042,217.80x = 11,607,281,918,175,184
  5. Step 5: Solve for x
    x = 11,607,281,918,175,184/91,042,217.80
  6. Step 6: Final answer
    x = 127,493,400.30

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Double scale
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Similar ratio
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1.5x scale

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.