Home / 55,397,871.68-83,098,500.39-19,005,751.54

Finding the Fourth Proportional to 55,397,871.68, 83,098,500.39 and 19,005,751.54

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Solution

The fourth proportional to 55,397,871.68, 83,098,500.39 and 19,005,751.54 is: 28,509,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397,871.68 : 83,098,500.39 = 19,005,751.54 : x
  2. Step 2: Convert to fraction form
    55,397,871.68/83,098,500.39 = 19,005,751.54/x
  3. Step 3: Cross multiply
    55,397,871.68x = 83,098,500.39 × 19,005,751.54
  4. Step 4: Simplify right side
    55,397,871.68x = 1,579,349,451,758,933
  5. Step 5: Solve for x
    x = 1,579,349,451,758,933/55,397,871.68
  6. Step 6: Final answer
    x = 28,509,208.10

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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.