Home / 55,519,397.78-76,619,163.65-30,739,585.17

Finding the Fourth Proportional to 55,519,397.78, 76,619,163.65 and 30,739,585.17

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Solution

The fourth proportional to 55,519,397.78, 76,619,163.65 and 30,739,585.17 is: 42,421,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,397.78 : 76,619,163.65 = 30,739,585.17 : x
  2. Step 2: Convert to fraction form
    55,519,397.78/76,619,163.65 = 30,739,585.17/x
  3. Step 3: Cross multiply
    55,519,397.78x = 76,619,163.65 × 30,739,585.17
  4. Step 4: Simplify right side
    55,519,397.78x = 2,355,241,306,519,645
  5. Step 5: Solve for x
    x = 2,355,241,306,519,645/55,519,397.78
  6. Step 6: Final answer
    x = 42,421,953.42

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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.