Home / 261,015,655.82-360,210,855.76-143,550,070.88

Finding the Fourth Proportional to 261,015,655.82, 360,210,855.76 and 143,550,070.88

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Solution

The fourth proportional to 261,015,655.82, 360,210,855.76 and 143,550,070.88 is: 198,104,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,655.82 : 360,210,855.76 = 143,550,070.88 : x
  2. Step 2: Convert to fraction form
    261,015,655.82/360,210,855.76 = 143,550,070.88/x
  3. Step 3: Cross multiply
    261,015,655.82x = 360,210,855.76 × 143,550,070.88
  4. Step 4: Simplify right side
    261,015,655.82x = 51,708,293,876,093,456
  5. Step 5: Solve for x
    x = 51,708,293,876,093,456/261,015,655.82
  6. Step 6: Final answer
    x = 198,104,185.41

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1.5x scale

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.