Home / 160,666,970.04-221,722,679.34-87,328,115.64

Finding the Fourth Proportional to 160,666,970.04, 221,722,679.34 and 87,328,115.64

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Solution

The fourth proportional to 160,666,970.04, 221,722,679.34 and 87,328,115.64 is: 120,514,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666,970.04 : 221,722,679.34 = 87,328,115.64 : x
  2. Step 2: Convert to fraction form
    160,666,970.04/221,722,679.34 = 87,328,115.64/x
  3. Step 3: Cross multiply
    160,666,970.04x = 221,722,679.34 × 87,328,115.64
  4. Step 4: Simplify right side
    160,666,970.04x = 19,362,623,781,414,160
  5. Step 5: Solve for x
    x = 19,362,623,781,414,160/160,666,970.04
  6. Step 6: Final answer
    x = 120,514,028.34

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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.