Home / 248,722,360.80-373,083,541.20-78,499,154.40

Finding the Fourth Proportional to 248,722,360.80, 373,083,541.20 and 78,499,154.40

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Solution

The fourth proportional to 248,722,360.80, 373,083,541.20 and 78,499,154.40 is: 117,748,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,722,360.80 : 373,083,541.20 = 78,499,154.40 : x
  2. Step 2: Convert to fraction form
    248,722,360.80/373,083,541.20 = 78,499,154.40/x
  3. Step 3: Cross multiply
    248,722,360.80x = 373,083,541.20 × 78,499,154.40
  4. Step 4: Simplify right side
    248,722,360.80x = 29,286,742,504,757,564
  5. Step 5: Solve for x
    x = 29,286,742,504,757,564/248,722,360.80
  6. Step 6: Final answer
    x = 117,748,731.60

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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.