Home / 91,475,998.20-137,213,997.30-46,126,366.20

Finding the Fourth Proportional to 91,475,998.20, 137,213,997.30 and 46,126,366.20

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Solution

The fourth proportional to 91,475,998.20, 137,213,997.30 and 46,126,366.20 is: 69,189,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,475,998.20 : 137,213,997.30 = 46,126,366.20 : x
  2. Step 2: Convert to fraction form
    91,475,998.20/137,213,997.30 = 46,126,366.20/x
  3. Step 3: Cross multiply
    91,475,998.20x = 137,213,997.30 × 46,126,366.20
  4. Step 4: Simplify right side
    91,475,998.20x = 6,329,183,087,225,612
  5. Step 5: Solve for x
    x = 6,329,183,087,225,612/91,475,998.20
  6. Step 6: Final answer
    x = 69,189,549.30

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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.