Home / 76,411,664.80-114,617,497.20-38,147,912.80

Finding the Fourth Proportional to 76,411,664.80, 114,617,497.20 and 38,147,912.80

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Solution

The fourth proportional to 76,411,664.80, 114,617,497.20 and 38,147,912.80 is: 57,221,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,411,664.80 : 114,617,497.20 = 38,147,912.80 : x
  2. Step 2: Convert to fraction form
    76,411,664.80/114,617,497.20 = 38,147,912.80/x
  3. Step 3: Cross multiply
    76,411,664.80x = 114,617,497.20 × 38,147,912.80
  4. Step 4: Simplify right side
    76,411,664.80x = 4,372,418,288,539,844
  5. Step 5: Solve for x
    x = 4,372,418,288,539,844/76,411,664.80
  6. Step 6: Final answer
    x = 57,221,869.20

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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.