Home / 118,341,489.20-177,512,233.80-77,526,820.40

Finding the Fourth Proportional to 118,341,489.20, 177,512,233.80 and 77,526,820.40

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Solution

The fourth proportional to 118,341,489.20, 177,512,233.80 and 77,526,820.40 is: 116,290,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,489.20 : 177,512,233.80 = 77,526,820.40 : x
  2. Step 2: Convert to fraction form
    118,341,489.20/177,512,233.80 = 77,526,820.40/x
  3. Step 3: Cross multiply
    118,341,489.20x = 177,512,233.80 × 77,526,820.40
  4. Step 4: Simplify right side
    118,341,489.20x = 13,761,959,068,615,412
  5. Step 5: Solve for x
    x = 13,761,959,068,615,412/118,341,489.20
  6. Step 6: Final answer
    x = 116,290,230.60

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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.