Home / 64,162,220.80-96,266,950.80-21,032,831.20

Finding the Fourth Proportional to 64,162,220.80, 96,266,950.80 and 21,032,831.20

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Solution

The fourth proportional to 64,162,220.80, 96,266,950.80 and 21,032,831.20 is: 31,556,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162,220.80 : 96,266,950.80 = 21,032,831.20 : x
  2. Step 2: Convert to fraction form
    64,162,220.80/96,266,950.80 = 21,032,831.20/x
  3. Step 3: Cross multiply
    64,162,220.80x = 96,266,950.80 × 21,032,831.20
  4. Step 4: Simplify right side
    64,162,220.80x = 2,024,766,526,315,104.75
  5. Step 5: Solve for x
    x = 2,024,766,526,315,104.75/64,162,220.80
  6. Step 6: Final answer
    x = 31,556,989.47

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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.