Home / 64,152,028.80-96,228,043.20-38,642,860.80

Finding the Fourth Proportional to 64,152,028.80, 96,228,043.20 and 38,642,860.80

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Solution

The fourth proportional to 64,152,028.80, 96,228,043.20 and 38,642,860.80 is: 57,964,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,028.80 : 96,228,043.20 = 38,642,860.80 : x
  2. Step 2: Convert to fraction form
    64,152,028.80/96,228,043.20 = 38,642,860.80/x
  3. Step 3: Cross multiply
    64,152,028.80x = 96,228,043.20 × 38,642,860.80
  4. Step 4: Simplify right side
    64,152,028.80x = 3,718,526,878,433,986.50
  5. Step 5: Solve for x
    x = 3,718,526,878,433,986.50/64,152,028.80
  6. Step 6: Final answer
    x = 57,964,291.20

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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.