Home / 55,184,758.74-76,157,316.45-30,738,483.54

Finding the Fourth Proportional to 55,184,758.74, 76,157,316.45 and 30,738,483.54

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Solution

The fourth proportional to 55,184,758.74, 76,157,316.45 and 30,738,483.54 is: 42,420,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184,758.74 : 76,157,316.45 = 30,738,483.54 : x
  2. Step 2: Convert to fraction form
    55,184,758.74/76,157,316.45 = 30,738,483.54/x
  3. Step 3: Cross multiply
    55,184,758.74x = 76,157,316.45 × 30,738,483.54
  4. Step 4: Simplify right side
    55,184,758.74x = 2,340,960,418,148,896.50
  5. Step 5: Solve for x
    x = 2,340,960,418,148,896.50/55,184,758.74
  6. Step 6: Final answer
    x = 42,420,415.92

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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.