Home / 326,606,496.72-489,832,351.68-93,430,019.52

Finding the Fourth Proportional to 326,606,496.72, 489,832,351.68 and 93,430,019.52

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Solution

The fourth proportional to 326,606,496.72, 489,832,351.68 and 93,430,019.52 is: 140,122,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,606,496.72 : 489,832,351.68 = 93,430,019.52 : x
  2. Step 2: Convert to fraction form
    326,606,496.72/489,832,351.68 = 93,430,019.52/x
  3. Step 3: Cross multiply
    326,606,496.72x = 489,832,351.68 × 93,430,019.52
  4. Step 4: Simplify right side
    326,606,496.72x = 45,765,046,178,989,904
  5. Step 5: Solve for x
    x = 45,765,046,178,989,904/326,606,496.72
  6. Step 6: Final answer
    x = 140,122,889.90

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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.