Home / 91,907,719.80-137,861,579.70-40,794,905.40

Finding the Fourth Proportional to 91,907,719.80, 137,861,579.70 and 40,794,905.40

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Solution

The fourth proportional to 91,907,719.80, 137,861,579.70 and 40,794,905.40 is: 61,192,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,907,719.80 : 137,861,579.70 = 40,794,905.40 : x
  2. Step 2: Convert to fraction form
    91,907,719.80/137,861,579.70 = 40,794,905.40/x
  3. Step 3: Cross multiply
    91,907,719.80x = 137,861,579.70 × 40,794,905.40
  4. Step 4: Simplify right side
    91,907,719.80x = 5,624,050,102,156,060
  5. Step 5: Solve for x
    x = 5,624,050,102,156,060/91,907,719.80
  6. Step 6: Final answer
    x = 61,192,358.10

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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.