Home / 55,049,143.76-75,970,411.08-30,603,266

Finding the Fourth Proportional to 55,049,143.76, 75,970,411.08 and 30,603,266

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Solution

The fourth proportional to 55,049,143.76, 75,970,411.08 and 30,603,266 is: 42,233,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,143.76 : 75,970,411.08 = 30,603,266 : x
  2. Step 2: Convert to fraction form
    55,049,143.76/75,970,411.08 = 30,603,266/x
  3. Step 3: Cross multiply
    55,049,143.76x = 75,970,411.08 × 30,603,266
  4. Step 4: Simplify right side
    55,049,143.76x = 2,324,942,698,410,587
  5. Step 5: Solve for x
    x = 2,324,942,698,410,587/55,049,143.76
  6. Step 6: Final answer
    x = 42,233,948.43

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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.