Home / 160,842,018.54-221,962,950.63-87,503,685.42

Finding the Fourth Proportional to 160,842,018.54, 221,962,950.63 and 87,503,685.42

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Solution

The fourth proportional to 160,842,018.54, 221,962,950.63 and 87,503,685.42 is: 120,755,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,842,018.54 : 221,962,950.63 = 87,503,685.42 : x
  2. Step 2: Convert to fraction form
    160,842,018.54/221,962,950.63 = 87,503,685.42/x
  3. Step 3: Cross multiply
    160,842,018.54x = 221,962,950.63 × 87,503,685.42
  4. Step 4: Simplify right side
    160,842,018.54x = 19,422,576,206,822,512
  5. Step 5: Solve for x
    x = 19,422,576,206,822,512/160,842,018.54
  6. Step 6: Final answer
    x = 120,755,610.90

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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.