Home / 118,472,781.15-177,733,409.54-40,739,589.60

Finding the Fourth Proportional to 118,472,781.15, 177,733,409.54 and 40,739,589.60

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Solution

The fourth proportional to 118,472,781.15, 177,733,409.54 and 40,739,589.60 is: 61,117,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,472,781.15 : 177,733,409.54 = 40,739,589.60 : x
  2. Step 2: Convert to fraction form
    118,472,781.15/177,733,409.54 = 40,739,589.60/x
  3. Step 3: Cross multiply
    118,472,781.15x = 177,733,409.54 × 40,739,589.60
  4. Step 4: Simplify right side
    118,472,781.15x = 7,240,786,163,180,266
  5. Step 5: Solve for x
    x = 7,240,786,163,180,266/118,472,781.15
  6. Step 6: Final answer
    x = 61,117,719.13

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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.