Home / 261,015,542.82-360,210,692.79-143,549,964.90

Finding the Fourth Proportional to 261,015,542.82, 360,210,692.79 and 143,549,964.90

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Solution

The fourth proportional to 261,015,542.82, 360,210,692.79 and 143,549,964.90 is: 198,104,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,542.82 : 360,210,692.79 = 143,549,964.90 : x
  2. Step 2: Convert to fraction form
    261,015,542.82/360,210,692.79 = 143,549,964.90/x
  3. Step 3: Cross multiply
    261,015,542.82x = 360,210,692.79 × 143,549,964.90
  4. Step 4: Simplify right side
    261,015,542.82x = 51,708,232,306,609,192
  5. Step 5: Solve for x
    x = 51,708,232,306,609,192/261,015,542.82
  6. Step 6: Final answer
    x = 198,104,035.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.