Home / 143,552,500.80-215,328,751.20-70,804,132.80

Finding the Fourth Proportional to 143,552,500.80, 215,328,751.20 and 70,804,132.80

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Solution

The fourth proportional to 143,552,500.80, 215,328,751.20 and 70,804,132.80 is: 106,206,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,552,500.80 : 215,328,751.20 = 70,804,132.80 : x
  2. Step 2: Convert to fraction form
    143,552,500.80/215,328,751.20 = 70,804,132.80/x
  3. Step 3: Cross multiply
    143,552,500.80x = 215,328,751.20 × 70,804,132.80
  4. Step 4: Simplify right side
    143,552,500.80x = 15,246,165,495,622,958
  5. Step 5: Solve for x
    x = 15,246,165,495,622,958/143,552,500.80
  6. Step 6: Final answer
    x = 106,206,199.20

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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.