Home / 342,360,921.50-472,418,213.06-191,661,829.32

Finding the Fourth Proportional to 342,360,921.50, 472,418,213.06 and 191,661,829.32

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Solution

The fourth proportional to 342,360,921.50, 472,418,213.06 and 191,661,829.32 is: 264,471,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,921.50 : 472,418,213.06 = 191,661,829.32 : x
  2. Step 2: Convert to fraction form
    342,360,921.50/472,418,213.06 = 191,661,829.32/x
  3. Step 3: Cross multiply
    342,360,921.50x = 472,418,213.06 × 191,661,829.32
  4. Step 4: Simplify right side
    342,360,921.50x = 90,544,538,919,165,104
  5. Step 5: Solve for x
    x = 90,544,538,919,165,104/342,360,921.50
  6. Step 6: Final answer
    x = 264,471,010.66

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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.