Home / 208,044,008.30-312,066,012.45-106,007,336.30

Finding the Fourth Proportional to 208,044,008.30, 312,066,012.45 and 106,007,336.30

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Solution

The fourth proportional to 208,044,008.30, 312,066,012.45 and 106,007,336.30 is: 159,011,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,044,008.30 : 312,066,012.45 = 106,007,336.30 : x
  2. Step 2: Convert to fraction form
    208,044,008.30/312,066,012.45 = 106,007,336.30/x
  3. Step 3: Cross multiply
    208,044,008.30x = 312,066,012.45 × 106,007,336.30
  4. Step 4: Simplify right side
    208,044,008.30x = 33,081,286,729,587,136
  5. Step 5: Solve for x
    x = 33,081,286,729,587,136/208,044,008.30
  6. Step 6: Final answer
    x = 159,011,004.45

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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.