Home / 157,464,782.40-236,197,173.60-80,795,560.80

Finding the Fourth Proportional to 157,464,782.40, 236,197,173.60 and 80,795,560.80

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Solution

The fourth proportional to 157,464,782.40, 236,197,173.60 and 80,795,560.80 is: 121,193,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,782.40 : 236,197,173.60 = 80,795,560.80 : x
  2. Step 2: Convert to fraction form
    157,464,782.40/236,197,173.60 = 80,795,560.80/x
  3. Step 3: Cross multiply
    157,464,782.40x = 236,197,173.60 × 80,795,560.80
  4. Step 4: Simplify right side
    157,464,782.40x = 19,083,683,100,386,952
  5. Step 5: Solve for x
    x = 19,083,683,100,386,952/157,464,782.40
  6. Step 6: Final answer
    x = 121,193,341.20

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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.