Home / 118,341,601.20-177,512,401.80-77,526,932.40

Finding the Fourth Proportional to 118,341,601.20, 177,512,401.80 and 77,526,932.40

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Solution

The fourth proportional to 118,341,601.20, 177,512,401.80 and 77,526,932.40 is: 116,290,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,601.20 : 177,512,401.80 = 77,526,932.40 : x
  2. Step 2: Convert to fraction form
    118,341,601.20/177,512,401.80 = 77,526,932.40/x
  3. Step 3: Cross multiply
    118,341,601.20x = 177,512,401.80 × 77,526,932.40
  4. Step 4: Simplify right side
    118,341,601.20x = 13,761,991,974,510,240
  5. Step 5: Solve for x
    x = 13,761,991,974,510,240/118,341,601.20
  6. Step 6: Final answer
    x = 116,290,398.60

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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.