Home / 230,074,178.70-317,510,201.91-136,068,908.79

Finding the Fourth Proportional to 230,074,178.70, 317,510,201.91 and 136,068,908.79

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Solution

The fourth proportional to 230,074,178.70, 317,510,201.91 and 136,068,908.79 is: 187,779,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,074,178.70 : 317,510,201.91 = 136,068,908.79 : x
  2. Step 2: Convert to fraction form
    230,074,178.70/317,510,201.91 = 136,068,908.79/x
  3. Step 3: Cross multiply
    230,074,178.70x = 317,510,201.91 × 136,068,908.79
  4. Step 4: Simplify right side
    230,074,178.70x = 43,203,266,703,586,272
  5. Step 5: Solve for x
    x = 43,203,266,703,586,272/230,074,178.70
  6. Step 6: Final answer
    x = 187,779,728.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.