Home / 157,464,134.40-236,196,201.60-138,969,987.60

Finding the Fourth Proportional to 157,464,134.40, 236,196,201.60 and 138,969,987.60

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Solution

The fourth proportional to 157,464,134.40, 236,196,201.60 and 138,969,987.60 is: 208,454,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,134.40 : 236,196,201.60 = 138,969,987.60 : x
  2. Step 2: Convert to fraction form
    157,464,134.40/236,196,201.60 = 138,969,987.60/x
  3. Step 3: Cross multiply
    157,464,134.40x = 236,196,201.60 × 138,969,987.60
  4. Step 4: Simplify right side
    157,464,134.40x = 32,824,183,207,519,096
  5. Step 5: Solve for x
    x = 32,824,183,207,519,096/157,464,134.40
  6. Step 6: Final answer
    x = 208,454,981.40

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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.