Home / 89,666,366.30-123,735,762.32-49,971,784.86

Finding the Fourth Proportional to 89,666,366.30, 123,735,762.32 and 49,971,784.86

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Solution

The fourth proportional to 89,666,366.30, 123,735,762.32 and 49,971,784.86 is: 68,958,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666,366.30 : 123,735,762.32 = 49,971,784.86 : x
  2. Step 2: Convert to fraction form
    89,666,366.30/123,735,762.32 = 49,971,784.86/x
  3. Step 3: Cross multiply
    89,666,366.30x = 123,735,762.32 × 49,971,784.86
  4. Step 4: Simplify right side
    89,666,366.30x = 6,183,296,894,143,134
  5. Step 5: Solve for x
    x = 6,183,296,894,143,134/89,666,366.30
  6. Step 6: Final answer
    x = 68,958,932.42

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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.