Home / 63,684,521.19-87,856,977.65-40,467,192.44

Finding the Fourth Proportional to 63,684,521.19, 87,856,977.65 and 40,467,192.44

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Solution

The fourth proportional to 63,684,521.19, 87,856,977.65 and 40,467,192.44 is: 55,827,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684,521.19 : 87,856,977.65 = 40,467,192.44 : x
  2. Step 2: Convert to fraction form
    63,684,521.19/87,856,977.65 = 40,467,192.44/x
  3. Step 3: Cross multiply
    63,684,521.19x = 87,856,977.65 × 40,467,192.44
  4. Step 4: Simplify right side
    63,684,521.19x = 3,555,325,221,117,708
  5. Step 5: Solve for x
    x = 3,555,325,221,117,708/63,684,521.19
  6. Step 6: Final answer
    x = 55,827,148.49

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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.