Home / 150,898,148.50-208,239,447.09-82,220,516.50

Finding the Fourth Proportional to 150,898,148.50, 208,239,447.09 and 82,220,516.50

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Solution

The fourth proportional to 150,898,148.50, 208,239,447.09 and 82,220,516.50 is: 113,464,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,898,148.50 : 208,239,447.09 = 82,220,516.50 : x
  2. Step 2: Convert to fraction form
    150,898,148.50/208,239,447.09 = 82,220,516.50/x
  3. Step 3: Cross multiply
    150,898,148.50x = 208,239,447.09 × 82,220,516.50
  4. Step 4: Simplify right side
    150,898,148.50x = 17,121,554,895,414,222
  5. Step 5: Solve for x
    x = 17,121,554,895,414,222/150,898,148.50
  6. Step 6: Final answer
    x = 113,464,313.95

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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.