Home / 42,355,934.81-63,560,778.74-18,095,044.21

Finding the Fourth Proportional to 42,355,934.81, 63,560,778.74 and 18,095,044.21

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Solution

The fourth proportional to 42,355,934.81, 63,560,778.74 and 18,095,044.21 is: 27,154,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,355,934.81 : 63,560,778.74 = 18,095,044.21 : x
  2. Step 2: Convert to fraction form
    42,355,934.81/63,560,778.74 = 18,095,044.21/x
  3. Step 3: Cross multiply
    42,355,934.81x = 63,560,778.74 × 18,095,044.21
  4. Step 4: Simplify right side
    42,355,934.81x = 1,150,135,101,322,328.25
  5. Step 5: Solve for x
    x = 1,150,135,101,322,328.25/42,355,934.81
  6. Step 6: Final answer
    x = 27,154,048.34

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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.