Home / 248,809,610.90-372,940,701.15-87,168,343.70

Finding the Fourth Proportional to 248,809,610.90, 372,940,701.15 and 87,168,343.70

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Solution

The fourth proportional to 248,809,610.90, 372,940,701.15 and 87,168,343.70 is: 130,656,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,809,610.90 : 372,940,701.15 = 87,168,343.70 : x
  2. Step 2: Convert to fraction form
    248,809,610.90/372,940,701.15 = 87,168,343.70/x
  3. Step 3: Cross multiply
    248,809,610.90x = 372,940,701.15 × 87,168,343.70
  4. Step 4: Simplify right side
    248,809,610.90x = 32,508,623,217,562,184
  5. Step 5: Solve for x
    x = 32,508,623,217,562,184/248,809,610.90
  6. Step 6: Final answer
    x = 130,656,621.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.