Home / 248,453,693.70-372,680,540.55-156,620,688.90

Finding the Fourth Proportional to 248,453,693.70, 372,680,540.55 and 156,620,688.90

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Solution

The fourth proportional to 248,453,693.70, 372,680,540.55 and 156,620,688.90 is: 234,931,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,453,693.70 : 372,680,540.55 = 156,620,688.90 : x
  2. Step 2: Convert to fraction form
    248,453,693.70/372,680,540.55 = 156,620,688.90/x
  3. Step 3: Cross multiply
    248,453,693.70x = 372,680,540.55 × 156,620,688.90
  4. Step 4: Simplify right side
    248,453,693.70x = 58,369,483,000,565,392
  5. Step 5: Solve for x
    x = 58,369,483,000,565,392/248,453,693.70
  6. Step 6: Final answer
    x = 234,931,033.35

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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.