Home / 117,720,019.20-176,611,521.60-83,707,795.20

Finding the Fourth Proportional to 117,720,019.20, 176,611,521.60 and 83,707,795.20

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Solution

The fourth proportional to 117,720,019.20, 176,611,521.60 and 83,707,795.20 is: 125,584,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,720,019.20 : 176,611,521.60 = 83,707,795.20 : x
  2. Step 2: Convert to fraction form
    117,720,019.20/176,611,521.60 = 83,707,795.20/x
  3. Step 3: Cross multiply
    117,720,019.20x = 176,611,521.60 × 83,707,795.20
  4. Step 4: Simplify right side
    117,720,019.20x = 14,783,761,080,053,176
  5. Step 5: Solve for x
    x = 14,783,761,080,053,176/117,720,019.20
  6. Step 6: Final answer
    x = 125,584,086.55

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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.