Home / 60,130,721.78-90,200,176.88-19,193,242.59

Finding the Fourth Proportional to 60,130,721.78, 90,200,176.88 and 19,193,242.59

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Solution

The fourth proportional to 60,130,721.78, 90,200,176.88 and 19,193,242.59 is: 28,791,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,130,721.78 : 90,200,176.88 = 19,193,242.59 : x
  2. Step 2: Convert to fraction form
    60,130,721.78/90,200,176.88 = 19,193,242.59/x
  3. Step 3: Cross multiply
    60,130,721.78x = 90,200,176.88 × 19,193,242.59
  4. Step 4: Simplify right side
    60,130,721.78x = 1,731,233,876,422,783
  5. Step 5: Solve for x
    x = 1,731,233,876,422,783/60,130,721.78
  6. Step 6: Final answer
    x = 28,791,170.72

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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.