Home / 261,151,468.46-360,389,014.55-143,674,278.48

Finding the Fourth Proportional to 261,151,468.46, 360,389,014.55 and 143,674,278.48

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Solution

The fourth proportional to 261,151,468.46, 360,389,014.55 and 143,674,278.48 is: 198,270,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,151,468.46 : 360,389,014.55 = 143,674,278.48 : x
  2. Step 2: Convert to fraction form
    261,151,468.46/360,389,014.55 = 143,674,278.48/x
  3. Step 3: Cross multiply
    261,151,468.46x = 360,389,014.55 × 143,674,278.48
  4. Step 4: Simplify right side
    261,151,468.46x = 51,778,631,637,948,656
  5. Step 5: Solve for x
    x = 51,778,631,637,948,656/261,151,468.46
  6. Step 6: Final answer
    x = 198,270,497.75

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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.