Home / 117,422,515.20-176,133,772.80-109,864,243.20

Finding the Fourth Proportional to 117,422,515.20, 176,133,772.80 and 109,864,243.20

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Solution

The fourth proportional to 117,422,515.20, 176,133,772.80 and 109,864,243.20 is: 164,796,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,515.20 : 176,133,772.80 = 109,864,243.20 : x
  2. Step 2: Convert to fraction form
    117,422,515.20/176,133,772.80 = 109,864,243.20/x
  3. Step 3: Cross multiply
    117,422,515.20x = 176,133,772.80 × 109,864,243.20
  4. Step 4: Simplify right side
    117,422,515.20x = 19,350,803,650,632,748
  5. Step 5: Solve for x
    x = 19,350,803,650,632,748/117,422,515.20
  6. Step 6: Final answer
    x = 164,796,364.80

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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.