Home / 157,464,138.30-236,196,207.45-124,939,949.10

Finding the Fourth Proportional to 157,464,138.30, 236,196,207.45 and 124,939,949.10

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Solution

The fourth proportional to 157,464,138.30, 236,196,207.45 and 124,939,949.10 is: 187,409,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,138.30 : 236,196,207.45 = 124,939,949.10 : x
  2. Step 2: Convert to fraction form
    157,464,138.30/236,196,207.45 = 124,939,949.10/x
  3. Step 3: Cross multiply
    157,464,138.30x = 236,196,207.45 × 124,939,949.10
  4. Step 4: Simplify right side
    157,464,138.30x = 29,510,342,136,416,036
  5. Step 5: Solve for x
    x = 29,510,342,136,416,036/157,464,138.30
  6. Step 6: Final answer
    x = 187,409,923.65

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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.