Home / 217,744,359.40-326,616,539.10-145,184,948.20

Finding the Fourth Proportional to 217,744,359.40, 326,616,539.10 and 145,184,948.20

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Solution

The fourth proportional to 217,744,359.40, 326,616,539.10 and 145,184,948.20 is: 217,777,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,359.40 : 326,616,539.10 = 145,184,948.20 : x
  2. Step 2: Convert to fraction form
    217,744,359.40/326,616,539.10 = 145,184,948.20/x
  3. Step 3: Cross multiply
    217,744,359.40x = 326,616,539.10 × 145,184,948.20
  4. Step 4: Simplify right side
    217,744,359.40x = 47,419,805,310,496,776
  5. Step 5: Solve for x
    x = 47,419,805,310,496,776/217,744,359.40
  6. Step 6: Final answer
    x = 217,777,422.30

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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.