Home / 69,984,103.40-104,976,155.10-47,141,325.80

Finding the Fourth Proportional to 69,984,103.40, 104,976,155.10 and 47,141,325.80

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Solution

The fourth proportional to 69,984,103.40, 104,976,155.10 and 47,141,325.80 is: 70,711,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,103.40 : 104,976,155.10 = 47,141,325.80 : x
  2. Step 2: Convert to fraction form
    69,984,103.40/104,976,155.10 = 47,141,325.80/x
  3. Step 3: Cross multiply
    69,984,103.40x = 104,976,155.10 × 47,141,325.80
  4. Step 4: Simplify right side
    69,984,103.40x = 4,948,715,128,800,431
  5. Step 5: Solve for x
    x = 4,948,715,128,800,431/69,984,103.40
  6. Step 6: Final answer
    x = 70,711,988.70

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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.