Home / 280,976,333.22-387,701,083.53-176,479,969.86

Finding the Fourth Proportional to 280,976,333.22, 387,701,083.53 and 176,479,969.86

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Solution

The fourth proportional to 280,976,333.22, 387,701,083.53 and 176,479,969.86 is: 243,513,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,976,333.22 : 387,701,083.53 = 176,479,969.86 : x
  2. Step 2: Convert to fraction form
    280,976,333.22/387,701,083.53 = 176,479,969.86/x
  3. Step 3: Cross multiply
    280,976,333.22x = 387,701,083.53 × 176,479,969.86
  4. Step 4: Simplify right side
    280,976,333.22x = 68,421,475,536,063,744
  5. Step 5: Solve for x
    x = 68,421,475,536,063,744/280,976,333.22
  6. Step 6: Final answer
    x = 243,513,305.02

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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.