Home / 143,385,265.80-215,077,898.70-52,544,284.20

Finding the Fourth Proportional to 143,385,265.80, 215,077,898.70 and 52,544,284.20

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Solution

The fourth proportional to 143,385,265.80, 215,077,898.70 and 52,544,284.20 is: 78,816,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,385,265.80 : 215,077,898.70 = 52,544,284.20 : x
  2. Step 2: Convert to fraction form
    143,385,265.80/215,077,898.70 = 52,544,284.20/x
  3. Step 3: Cross multiply
    143,385,265.80x = 215,077,898.70 × 52,544,284.20
  4. Step 4: Simplify right side
    143,385,265.80x = 11,301,114,234,431,610
  5. Step 5: Solve for x
    x = 11,301,114,234,431,610/143,385,265.80
  6. Step 6: Final answer
    x = 78,816,426.30

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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.