Home / 157,445,830.20-236,168,745.30-100,191,919.80

Finding the Fourth Proportional to 157,445,830.20, 236,168,745.30 and 100,191,919.80

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Solution

The fourth proportional to 157,445,830.20, 236,168,745.30 and 100,191,919.80 is: 150,287,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445,830.20 : 236,168,745.30 = 100,191,919.80 : x
  2. Step 2: Convert to fraction form
    157,445,830.20/236,168,745.30 = 100,191,919.80/x
  3. Step 3: Cross multiply
    157,445,830.20x = 236,168,745.30 × 100,191,919.80
  4. Step 4: Simplify right side
    157,445,830.20x = 23,662,199,988,364,228
  5. Step 5: Solve for x
    x = 23,662,199,988,364,228/157,445,830.20
  6. Step 6: Final answer
    x = 150,287,879.70

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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.