Home / 91,563,863.40-137,345,795.10-30,979,589.40

Finding the Fourth Proportional to 91,563,863.40, 137,345,795.10 and 30,979,589.40

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Solution

The fourth proportional to 91,563,863.40, 137,345,795.10 and 30,979,589.40 is: 46,469,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,563,863.40 : 137,345,795.10 = 30,979,589.40 : x
  2. Step 2: Convert to fraction form
    91,563,863.40/137,345,795.10 = 30,979,589.40/x
  3. Step 3: Cross multiply
    91,563,863.40x = 137,345,795.10 × 30,979,589.40
  4. Step 4: Simplify right side
    91,563,863.40x = 4,254,916,338,014,531.50
  5. Step 5: Solve for x
    x = 4,254,916,338,014,531.50/91,563,863.40
  6. Step 6: Final answer
    x = 46,469,384.10

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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.