Home / 78,718,714.92-108,636,825.78-43,911,334.44

Finding the Fourth Proportional to 78,718,714.92, 108,636,825.78 and 43,911,334.44

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Solution

The fourth proportional to 78,718,714.92, 108,636,825.78 and 43,911,334.44 is: 60,600,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,718,714.92 : 108,636,825.78 = 43,911,334.44 : x
  2. Step 2: Convert to fraction form
    78,718,714.92/108,636,825.78 = 43,911,334.44/x
  3. Step 3: Cross multiply
    78,718,714.92x = 108,636,825.78 × 43,911,334.44
  4. Step 4: Simplify right side
    78,718,714.92x = 4,770,387,989,325,594
  5. Step 5: Solve for x
    x = 4,770,387,989,325,594/78,718,714.92
  6. Step 6: Final answer
    x = 60,600,430.20

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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.