Home / 157,205,387.60-235,584,132.60-115,942,821.20

Finding the Fourth Proportional to 157,205,387.60, 235,584,132.60 and 115,942,821.20

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Solution

The fourth proportional to 157,205,387.60, 235,584,132.60 and 115,942,821.20 is: 173,749,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,205,387.60 : 235,584,132.60 = 115,942,821.20 : x
  2. Step 2: Convert to fraction form
    157,205,387.60/235,584,132.60 = 115,942,821.20/x
  3. Step 3: Cross multiply
    157,205,387.60x = 235,584,132.60 × 115,942,821.20
  4. Step 4: Simplify right side
    157,205,387.60x = 27,314,288,963,598,892
  5. Step 5: Solve for x
    x = 27,314,288,963,598,892/157,205,387.60
  6. Step 6: Final answer
    x = 173,749,064.08

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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.