Home / 77,684,212.80-107,196,581.20-42,874,661.26

Finding the Fourth Proportional to 77,684,212.80, 107,196,581.20 and 42,874,661.26

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Solution

The fourth proportional to 77,684,212.80, 107,196,581.20 and 42,874,661.26 is: 59,162,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,212.80 : 107,196,581.20 = 42,874,661.26 : x
  2. Step 2: Convert to fraction form
    77,684,212.80/107,196,581.20 = 42,874,661.26/x
  3. Step 3: Cross multiply
    77,684,212.80x = 107,196,581.20 × 42,874,661.26
  4. Step 4: Simplify right side
    77,684,212.80x = 4,596,017,107,180,084
  5. Step 5: Solve for x
    x = 4,596,017,107,180,084/77,684,212.80
  6. Step 6: Final answer
    x = 59,162,820.11

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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.