Home / 254,107,572.86-381,080,646.32-81,544,030.04

Finding the Fourth Proportional to 254,107,572.86, 381,080,646.32 and 81,544,030.04

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Solution

The fourth proportional to 254,107,572.86, 381,080,646.32 and 81,544,030.04 is: 122,290,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,107,572.86 : 381,080,646.32 = 81,544,030.04 : x
  2. Step 2: Convert to fraction form
    254,107,572.86/381,080,646.32 = 81,544,030.04/x
  3. Step 3: Cross multiply
    254,107,572.86x = 381,080,646.32 × 81,544,030.04
  4. Step 4: Simplify right side
    254,107,572.86x = 31,074,851,668,867,572
  5. Step 5: Solve for x
    x = 31,074,851,668,867,572/254,107,572.86
  6. Step 6: Final answer
    x = 122,290,143.97

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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.