Home / 55,429,114.32-76,489,083-30,647,870.64

Finding the Fourth Proportional to 55,429,114.32, 76,489,083 and 30,647,870.64

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Solution

The fourth proportional to 55,429,114.32, 76,489,083 and 30,647,870.64 is: 42,292,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429,114.32 : 76,489,083 = 30,647,870.64 : x
  2. Step 2: Convert to fraction form
    55,429,114.32/76,489,083 = 30,647,870.64/x
  3. Step 3: Cross multiply
    55,429,114.32x = 76,489,083 × 30,647,870.64
  4. Step 4: Simplify right side
    55,429,114.32x = 2,344,227,521,156,223
  5. Step 5: Solve for x
    x = 2,344,227,521,156,223/55,429,114.32
  6. Step 6: Final answer
    x = 42,292,350.33

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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.