Home / 91,745,108.40-137,617,662.60-88,217,914.80

Finding the Fourth Proportional to 91,745,108.40, 137,617,662.60 and 88,217,914.80

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Solution

The fourth proportional to 91,745,108.40, 137,617,662.60 and 88,217,914.80 is: 132,326,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745,108.40 : 137,617,662.60 = 88,217,914.80 : x
  2. Step 2: Convert to fraction form
    91,745,108.40/137,617,662.60 = 88,217,914.80/x
  3. Step 3: Cross multiply
    91,745,108.40x = 137,617,662.60 × 88,217,914.80
  4. Step 4: Simplify right side
    91,745,108.40x = 12,140,343,234,221,946
  5. Step 5: Solve for x
    x = 12,140,343,234,221,946/91,745,108.40
  6. Step 6: Final answer
    x = 132,326,872.20

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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.