Home / 157,464,785.40-236,197,178.10-80,795,563.80

Finding the Fourth Proportional to 157,464,785.40, 236,197,178.10 and 80,795,563.80

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Solution

The fourth proportional to 157,464,785.40, 236,197,178.10 and 80,795,563.80 is: 121,193,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,785.40 : 236,197,178.10 = 80,795,563.80 : x
  2. Step 2: Convert to fraction form
    157,464,785.40/236,197,178.10 = 80,795,563.80/x
  3. Step 3: Cross multiply
    157,464,785.40x = 236,197,178.10 × 80,795,563.80
  4. Step 4: Simplify right side
    157,464,785.40x = 19,083,684,172,558,512
  5. Step 5: Solve for x
    x = 19,083,684,172,558,512/157,464,785.40
  6. Step 6: Final answer
    x = 121,193,345.70

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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.