Home / 197,376,005.40-296,064,008.10-128,101,176.60

Finding the Fourth Proportional to 197,376,005.40, 296,064,008.10 and 128,101,176.60

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Solution

The fourth proportional to 197,376,005.40, 296,064,008.10 and 128,101,176.60 is: 192,151,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,376,005.40 : 296,064,008.10 = 128,101,176.60 : x
  2. Step 2: Convert to fraction form
    197,376,005.40/296,064,008.10 = 128,101,176.60/x
  3. Step 3: Cross multiply
    197,376,005.40x = 296,064,008.10 × 128,101,176.60
  4. Step 4: Simplify right side
    197,376,005.40x = 37,926,147,786,521,928
  5. Step 5: Solve for x
    x = 37,926,147,786,521,928/197,376,005.40
  6. Step 6: Final answer
    x = 192,151,764.90

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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.