Home / 288,462,823.60-398,098,899.25-163,026,612.15

Finding the Fourth Proportional to 288,462,823.60, 398,098,899.25 and 163,026,612.15

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Solution

The fourth proportional to 288,462,823.60, 398,098,899.25 and 163,026,612.15 is: 224,988,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,462,823.60 : 398,098,899.25 = 163,026,612.15 : x
  2. Step 2: Convert to fraction form
    288,462,823.60/398,098,899.25 = 163,026,612.15/x
  3. Step 3: Cross multiply
    288,462,823.60x = 398,098,899.25 × 163,026,612.15
  4. Step 4: Simplify right side
    288,462,823.60x = 64,900,714,845,049,640
  5. Step 5: Solve for x
    x = 64,900,714,845,049,640/288,462,823.60
  6. Step 6: Final answer
    x = 224,988,142.44

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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.