Home / 64,155,004.80-96,231,632.40-21,025,615.20

Finding the Fourth Proportional to 64,155,004.80, 96,231,632.40 and 21,025,615.20

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Solution

The fourth proportional to 64,155,004.80, 96,231,632.40 and 21,025,615.20 is: 31,538,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155,004.80 : 96,231,632.40 = 21,025,615.20 : x
  2. Step 2: Convert to fraction form
    64,155,004.80/96,231,632.40 = 21,025,615.20/x
  3. Step 3: Cross multiply
    64,155,004.80x = 96,231,632.40 × 21,025,615.20
  4. Step 4: Simplify right side
    64,155,004.80x = 2,023,329,272,910,252.50
  5. Step 5: Solve for x
    x = 2,023,329,272,910,252.50/64,155,004.80
  6. Step 6: Final answer
    x = 31,538,136.10

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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.