Home / 206,699,643.72-310,110,099.66-61,137,045

Finding the Fourth Proportional to 206,699,643.72, 310,110,099.66 and 61,137,045

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Solution

The fourth proportional to 206,699,643.72, 310,110,099.66 and 61,137,045 is: 91,723,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,699,643.72 : 310,110,099.66 = 61,137,045 : x
  2. Step 2: Convert to fraction form
    206,699,643.72/310,110,099.66 = 61,137,045/x
  3. Step 3: Cross multiply
    206,699,643.72x = 310,110,099.66 × 61,137,045
  4. Step 4: Simplify right side
    206,699,643.72x = 18,959,215,117,867,908
  5. Step 5: Solve for x
    x = 18,959,215,117,867,908/206,699,643.72
  6. Step 6: Final answer
    x = 91,723,501.68

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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.