Home / 143,552,494.80-215,328,742.20-70,804,126.80

Finding the Fourth Proportional to 143,552,494.80, 215,328,742.20 and 70,804,126.80

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Solution

The fourth proportional to 143,552,494.80, 215,328,742.20 and 70,804,126.80 is: 106,206,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,552,494.80 : 215,328,742.20 = 70,804,126.80 : x
  2. Step 2: Convert to fraction form
    143,552,494.80/215,328,742.20 = 70,804,126.80/x
  3. Step 3: Cross multiply
    143,552,494.80x = 215,328,742.20 × 70,804,126.80
  4. Step 4: Simplify right side
    143,552,494.80x = 15,246,163,566,413,310
  5. Step 5: Solve for x
    x = 15,246,163,566,413,310/143,552,494.80
  6. Step 6: Final answer
    x = 106,206,190.20

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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.