Home / 342,202,919.91-472,240,155.36-185,569,985.39

Finding the Fourth Proportional to 342,202,919.91, 472,240,155.36 and 185,569,985.39

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Solution

The fourth proportional to 342,202,919.91, 472,240,155.36 and 185,569,985.39 is: 256,086,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,202,919.91 : 472,240,155.36 = 185,569,985.39 : x
  2. Step 2: Convert to fraction form
    342,202,919.91/472,240,155.36 = 185,569,985.39/x
  3. Step 3: Cross multiply
    342,202,919.91x = 472,240,155.36 × 185,569,985.39
  4. Step 4: Simplify right side
    342,202,919.91x = 87,633,598,728,365,328
  5. Step 5: Solve for x
    x = 87,633,598,728,365,328/342,202,919.91
  6. Step 6: Final answer
    x = 256,086,648.10

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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.