Home / 160,666,981.04-221,722,694.52-87,328,126.64

Finding the Fourth Proportional to 160,666,981.04, 221,722,694.52 and 87,328,126.64

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Solution

The fourth proportional to 160,666,981.04, 221,722,694.52 and 87,328,126.64 is: 120,514,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666,981.04 : 221,722,694.52 = 87,328,126.64 : x
  2. Step 2: Convert to fraction form
    160,666,981.04/221,722,694.52 = 87,328,126.64/x
  3. Step 3: Cross multiply
    160,666,981.04x = 221,722,694.52 × 87,328,126.64
  4. Step 4: Simplify right side
    160,666,981.04x = 19,362,627,546,004,596
  5. Step 5: Solve for x
    x = 19,362,627,546,004,596/160,666,981.04
  6. Step 6: Final answer
    x = 120,514,043.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.