Home / 157,365,129.92-235,990,947.36-66,495,761.60

Finding the Fourth Proportional to 157,365,129.92, 235,990,947.36 and 66,495,761.60

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Solution

The fourth proportional to 157,365,129.92, 235,990,947.36 and 66,495,761.60 is: 99,719,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,365,129.92 : 235,990,947.36 = 66,495,761.60 : x
  2. Step 2: Convert to fraction form
    157,365,129.92/235,990,947.36 = 66,495,761.60/x
  3. Step 3: Cross multiply
    157,365,129.92x = 235,990,947.36 × 66,495,761.60
  4. Step 4: Simplify right side
    157,365,129.92x = 15,692,397,775,408,710
  5. Step 5: Solve for x
    x = 15,692,397,775,408,710/157,365,129.92
  6. Step 6: Final answer
    x = 99,719,663.33

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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.