Home / 111,543,614.80-167,315,422.20-103,890,864.40

Finding the Fourth Proportional to 111,543,614.80, 167,315,422.20 and 103,890,864.40

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Solution

The fourth proportional to 111,543,614.80, 167,315,422.20 and 103,890,864.40 is: 155,836,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,543,614.80 : 167,315,422.20 = 103,890,864.40 : x
  2. Step 2: Convert to fraction form
    111,543,614.80/167,315,422.20 = 103,890,864.40/x
  3. Step 3: Cross multiply
    111,543,614.80x = 167,315,422.20 × 103,890,864.40
  4. Step 4: Simplify right side
    111,543,614.80x = 17,382,543,839,808,950
  5. Step 5: Solve for x
    x = 17,382,543,839,808,950/111,543,614.80
  6. Step 6: Final answer
    x = 155,836,296.60

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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.