Home / 91,703,135.40-137,554,703.10-88,175,941.80

Finding the Fourth Proportional to 91,703,135.40, 137,554,703.10 and 88,175,941.80

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Solution

The fourth proportional to 91,703,135.40, 137,554,703.10 and 88,175,941.80 is: 132,263,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703,135.40 : 137,554,703.10 = 88,175,941.80 : x
  2. Step 2: Convert to fraction form
    91,703,135.40/137,554,703.10 = 88,175,941.80/x
  3. Step 3: Cross multiply
    91,703,135.40x = 137,554,703.10 × 88,175,941.80
  4. Step 4: Simplify right side
    91,703,135.40x = 12,129,015,494,861,878
  5. Step 5: Solve for x
    x = 12,129,015,494,861,878/91,703,135.40
  6. Step 6: Final answer
    x = 132,263,912.70

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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.