Home / 206,999,453.50-310,501,884.75-68,825,060.59

Finding the Fourth Proportional to 206,999,453.50, 310,501,884.75 and 68,825,060.59

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Solution

The fourth proportional to 206,999,453.50, 310,501,884.75 and 68,825,060.59 is: 103,238,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,999,453.50 : 310,501,884.75 = 68,825,060.59 : x
  2. Step 2: Convert to fraction form
    206,999,453.50/310,501,884.75 = 68,825,060.59/x
  3. Step 3: Cross multiply
    206,999,453.50x = 310,501,884.75 × 68,825,060.59
  4. Step 4: Simplify right side
    206,999,453.50x = 21,370,311,031,227,948
  5. Step 5: Solve for x
    x = 21,370,311,031,227,948/206,999,453.50
  6. Step 6: Final answer
    x = 103,238,490.10

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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.