Home / 168,651,408.86-232,739,569.20-98,103,946.54

Finding the Fourth Proportional to 168,651,408.86, 232,739,569.20 and 98,103,946.54

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Solution

The fourth proportional to 168,651,408.86, 232,739,569.20 and 98,103,946.54 is: 135,383,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,651,408.86 : 232,739,569.20 = 98,103,946.54 : x
  2. Step 2: Convert to fraction form
    168,651,408.86/232,739,569.20 = 98,103,946.54/x
  3. Step 3: Cross multiply
    168,651,408.86x = 232,739,569.20 × 98,103,946.54
  4. Step 4: Simplify right side
    168,651,408.86x = 22,832,670,254,539,432
  5. Step 5: Solve for x
    x = 22,832,670,254,539,432/168,651,408.86
  6. Step 6: Final answer
    x = 135,383,809.77

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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.