Home / 91,776,191.60-137,498,399.40-53,406,297.20

Finding the Fourth Proportional to 91,776,191.60, 137,498,399.40 and 53,406,297.20

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Solution

The fourth proportional to 91,776,191.60, 137,498,399.40 and 53,406,297.20 is: 80,012,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,776,191.60 : 137,498,399.40 = 53,406,297.20 : x
  2. Step 2: Convert to fraction form
    91,776,191.60/137,498,399.40 = 53,406,297.20/x
  3. Step 3: Cross multiply
    91,776,191.60x = 137,498,399.40 × 53,406,297.20
  4. Step 4: Simplify right side
    91,776,191.60x = 7,343,280,382,880,702
  5. Step 5: Solve for x
    x = 7,343,280,382,880,702/91,776,191.60
  6. Step 6: Final answer
    x = 80,012,912.44

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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.