Home / 261,051,402.40-391,241,180.40-200,165,322.40

Finding the Fourth Proportional to 261,051,402.40, 391,241,180.40 and 200,165,322.40

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Solution

The fourth proportional to 261,051,402.40, 391,241,180.40 and 200,165,322.40 is: 299,990,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,051,402.40 : 391,241,180.40 = 200,165,322.40 : x
  2. Step 2: Convert to fraction form
    261,051,402.40/391,241,180.40 = 200,165,322.40/x
  3. Step 3: Cross multiply
    261,051,402.40x = 391,241,180.40 × 200,165,322.40
  4. Step 4: Simplify right side
    261,051,402.40x = 78,312,917,010,922,560
  5. Step 5: Solve for x
    x = 78,312,917,010,922,560/261,051,402.40
  6. Step 6: Final answer
    x = 299,990,409.13

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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.