Home / 157,230,129.60-235,845,194.40-80,702,625.60

Finding the Fourth Proportional to 157,230,129.60, 235,845,194.40 and 80,702,625.60

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Solution

The fourth proportional to 157,230,129.60, 235,845,194.40 and 80,702,625.60 is: 121,053,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,230,129.60 : 235,845,194.40 = 80,702,625.60 : x
  2. Step 2: Convert to fraction form
    157,230,129.60/235,845,194.40 = 80,702,625.60/x
  3. Step 3: Cross multiply
    157,230,129.60x = 235,845,194.40 × 80,702,625.60
  4. Step 4: Simplify right side
    157,230,129.60x = 19,033,326,423,222,416
  5. Step 5: Solve for x
    x = 19,033,326,423,222,416/157,230,129.60
  6. Step 6: Final answer
    x = 121,053,938.40

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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.