Home / 208,044,006.80-312,066,010.20-106,007,334.80

Finding the Fourth Proportional to 208,044,006.80, 312,066,010.20 and 106,007,334.80

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Solution

The fourth proportional to 208,044,006.80, 312,066,010.20 and 106,007,334.80 is: 159,011,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,044,006.80 : 312,066,010.20 = 106,007,334.80 : x
  2. Step 2: Convert to fraction form
    208,044,006.80/312,066,010.20 = 106,007,334.80/x
  3. Step 3: Cross multiply
    208,044,006.80x = 312,066,010.20 × 106,007,334.80
  4. Step 4: Simplify right side
    208,044,006.80x = 33,081,286,022,971,612
  5. Step 5: Solve for x
    x = 33,081,286,022,971,612/208,044,006.80
  6. Step 6: Final answer
    x = 159,011,002.20

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1.5x scale

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.