Home / 199,709,660.20-299,788,439.10-154,472,002.60

Finding the Fourth Proportional to 199,709,660.20, 299,788,439.10 and 154,472,002.60

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Solution

The fourth proportional to 199,709,660.20, 299,788,439.10 and 154,472,002.60 is: 231,881,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,660.20 : 299,788,439.10 = 154,472,002.60 : x
  2. Step 2: Convert to fraction form
    199,709,660.20/299,788,439.10 = 154,472,002.60/x
  3. Step 3: Cross multiply
    199,709,660.20x = 299,788,439.10 × 154,472,002.60
  4. Step 4: Simplify right side
    199,709,660.20x = 46,308,920,544,105,144
  5. Step 5: Solve for x
    x = 46,308,920,544,105,144/199,709,660.20
  6. Step 6: Final answer
    x = 231,881,224.46

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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.