Home / 117,728,698.80-176,593,048.20-112,752,836.40

Finding the Fourth Proportional to 117,728,698.80, 176,593,048.20 and 112,752,836.40

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Solution

The fourth proportional to 117,728,698.80, 176,593,048.20 and 112,752,836.40 is: 169,129,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,728,698.80 : 176,593,048.20 = 112,752,836.40 : x
  2. Step 2: Convert to fraction form
    117,728,698.80/176,593,048.20 = 112,752,836.40/x
  3. Step 3: Cross multiply
    117,728,698.80x = 176,593,048.20 × 112,752,836.40
  4. Step 4: Simplify right side
    117,728,698.80x = 19,911,367,073,071,916
  5. Step 5: Solve for x
    x = 19,911,367,073,071,916/117,728,698.80
  6. Step 6: Final answer
    x = 169,129,254.60

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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.