Home / 204,736,007.90-307,104,011.85-66,561,347.90

Finding the Fourth Proportional to 204,736,007.90, 307,104,011.85 and 66,561,347.90

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Solution

The fourth proportional to 204,736,007.90, 307,104,011.85 and 66,561,347.90 is: 99,842,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,736,007.90 : 307,104,011.85 = 66,561,347.90 : x
  2. Step 2: Convert to fraction form
    204,736,007.90/307,104,011.85 = 66,561,347.90/x
  3. Step 3: Cross multiply
    204,736,007.90x = 307,104,011.85 × 66,561,347.90
  4. Step 4: Simplify right side
    204,736,007.90x = 20,441,256,974,233,572
  5. Step 5: Solve for x
    x = 20,441,256,974,233,572/204,736,007.90
  6. Step 6: Final answer
    x = 99,842,021.85

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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.