Home / 78,886,618.72-118,324,315.92-24,293,511.52

Finding the Fourth Proportional to 78,886,618.72, 118,324,315.92 and 24,293,511.52

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Solution

The fourth proportional to 78,886,618.72, 118,324,315.92 and 24,293,511.52 is: 36,438,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,886,618.72 : 118,324,315.92 = 24,293,511.52 : x
  2. Step 2: Convert to fraction form
    78,886,618.72/118,324,315.92 = 24,293,511.52/x
  3. Step 3: Cross multiply
    78,886,618.72x = 118,324,315.92 × 24,293,511.52
  4. Step 4: Simplify right side
    78,886,618.72x = 2,874,513,131,898,639.50
  5. Step 5: Solve for x
    x = 2,874,513,131,898,639.50/78,886,618.72
  6. Step 6: Final answer
    x = 36,438,538.99

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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.