Home / 154,733,254.02-213,523,481.97-85,107,397.14

Finding the Fourth Proportional to 154,733,254.02, 213,523,481.97 and 85,107,397.14

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Solution

The fourth proportional to 154,733,254.02, 213,523,481.97 and 85,107,397.14 is: 117,443,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,733,254.02 : 213,523,481.97 = 85,107,397.14 : x
  2. Step 2: Convert to fraction form
    154,733,254.02/213,523,481.97 = 85,107,397.14/x
  3. Step 3: Cross multiply
    154,733,254.02x = 213,523,481.97 × 85,107,397.14
  4. Step 4: Simplify right side
    154,733,254.02x = 18,172,427,778,736,420
  5. Step 5: Solve for x
    x = 18,172,427,778,736,420/154,733,254.02
  6. Step 6: Final answer
    x = 117,443,583.11

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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.