Home / 91,856,117.80-137,784,176.70-91,218,388.60

Finding the Fourth Proportional to 91,856,117.80, 137,784,176.70 and 91,218,388.60

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Solution

The fourth proportional to 91,856,117.80, 137,784,176.70 and 91,218,388.60 is: 136,827,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856,117.80 : 137,784,176.70 = 91,218,388.60 : x
  2. Step 2: Convert to fraction form
    91,856,117.80/137,784,176.70 = 91,218,388.60/x
  3. Step 3: Cross multiply
    91,856,117.80x = 137,784,176.70 × 91,218,388.60
  4. Step 4: Simplify right side
    91,856,117.80x = 12,568,450,573,151,664
  5. Step 5: Solve for x
    x = 12,568,450,573,151,664/91,856,117.80
  6. Step 6: Final answer
    x = 136,827,582.90

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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.