Home / 143,385,266.80-215,077,900.20-52,544,285.20

Finding the Fourth Proportional to 143,385,266.80, 215,077,900.20 and 52,544,285.20

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Solution

The fourth proportional to 143,385,266.80, 215,077,900.20 and 52,544,285.20 is: 78,816,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,385,266.80 : 215,077,900.20 = 52,544,285.20 : x
  2. Step 2: Convert to fraction form
    143,385,266.80/215,077,900.20 = 52,544,285.20/x
  3. Step 3: Cross multiply
    143,385,266.80x = 215,077,900.20 × 52,544,285.20
  4. Step 4: Simplify right side
    143,385,266.80x = 11,301,114,528,325,938
  5. Step 5: Solve for x
    x = 11,301,114,528,325,938/143,385,266.80
  6. Step 6: Final answer
    x = 78,816,427.80

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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.