Home / 39,334,103.10-59,018,176.80-21,117,049.20

Finding the Fourth Proportional to 39,334,103.10, 59,018,176.80 and 21,117,049.20

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Solution

The fourth proportional to 39,334,103.10, 59,018,176.80 and 21,117,049.20 is: 31,684,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,334,103.10 : 59,018,176.80 = 21,117,049.20 : x
  2. Step 2: Convert to fraction form
    39,334,103.10/59,018,176.80 = 21,117,049.20/x
  3. Step 3: Cross multiply
    39,334,103.10x = 59,018,176.80 × 21,117,049.20
  4. Step 4: Simplify right side
    39,334,103.10x = 1,246,289,743,179,898.50
  5. Step 5: Solve for x
    x = 1,246,289,743,179,898.50/39,334,103.10
  6. Step 6: Final answer
    x = 31,684,712.37

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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.