Home / 217,472,001.80-326,208,002.70-131,475,662.60

Finding the Fourth Proportional to 217,472,001.80, 326,208,002.70 and 131,475,662.60

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Solution

The fourth proportional to 217,472,001.80, 326,208,002.70 and 131,475,662.60 is: 197,213,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,472,001.80 : 326,208,002.70 = 131,475,662.60 : x
  2. Step 2: Convert to fraction form
    217,472,001.80/326,208,002.70 = 131,475,662.60/x
  3. Step 3: Cross multiply
    217,472,001.80x = 326,208,002.70 × 131,475,662.60
  4. Step 4: Simplify right side
    217,472,001.80x = 42,888,413,300,405,088
  5. Step 5: Solve for x
    x = 42,888,413,300,405,088/217,472,001.80
  6. Step 6: Final answer
    x = 197,213,493.90

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1.5x scale

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.