Home / 314,887,218.30-472,397,182.65-133,040,792.70

Finding the Fourth Proportional to 314,887,218.30, 472,397,182.65 and 133,040,792.70

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Solution

The fourth proportional to 314,887,218.30, 472,397,182.65 and 133,040,792.70 is: 199,589,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,887,218.30 : 472,397,182.65 = 133,040,792.70 : x
  2. Step 2: Convert to fraction form
    314,887,218.30/472,397,182.65 = 133,040,792.70/x
  3. Step 3: Cross multiply
    314,887,218.30x = 472,397,182.65 × 133,040,792.70
  4. Step 4: Simplify right side
    314,887,218.30x = 62,848,095,649,002,688
  5. Step 5: Solve for x
    x = 62,848,095,649,002,688/314,887,218.30
  6. Step 6: Final answer
    x = 199,589,224.32

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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.