Home / 253,720,619.40-380,580,929.10-177,193,115.40

Finding the Fourth Proportional to 253,720,619.40, 380,580,929.10 and 177,193,115.40

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Solution

The fourth proportional to 253,720,619.40, 380,580,929.10 and 177,193,115.40 is: 265,789,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,720,619.40 : 380,580,929.10 = 177,193,115.40 : x
  2. Step 2: Convert to fraction form
    253,720,619.40/380,580,929.10 = 177,193,115.40/x
  3. Step 3: Cross multiply
    253,720,619.40x = 380,580,929.10 × 177,193,115.40
  4. Step 4: Simplify right side
    253,720,619.40x = 67,436,320,489,055,528
  5. Step 5: Solve for x
    x = 67,436,320,489,055,528/253,720,619.40
  6. Step 6: Final answer
    x = 265,789,673.10

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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.