Home / 157,190,627.70-235,785,941.55-99,794,999.70

Finding the Fourth Proportional to 157,190,627.70, 235,785,941.55 and 99,794,999.70

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Solution

The fourth proportional to 157,190,627.70, 235,785,941.55 and 99,794,999.70 is: 149,692,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,190,627.70 : 235,785,941.55 = 99,794,999.70 : x
  2. Step 2: Convert to fraction form
    157,190,627.70/235,785,941.55 = 99,794,999.70/x
  3. Step 3: Cross multiply
    157,190,627.70x = 235,785,941.55 × 99,794,999.70
  4. Step 4: Simplify right side
    157,190,627.70x = 23,530,257,966,246,468
  5. Step 5: Solve for x
    x = 23,530,257,966,246,468/157,190,627.70
  6. Step 6: Final answer
    x = 149,692,499.55

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1.5x scale

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.