Home / 330,260,019.70-495,390,029.55-100,228,735.30

Finding the Fourth Proportional to 330,260,019.70, 495,390,029.55 and 100,228,735.30

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Solution

The fourth proportional to 330,260,019.70, 495,390,029.55 and 100,228,735.30 is: 150,343,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,260,019.70 : 495,390,029.55 = 100,228,735.30 : x
  2. Step 2: Convert to fraction form
    330,260,019.70/495,390,029.55 = 100,228,735.30/x
  3. Step 3: Cross multiply
    330,260,019.70x = 495,390,029.55 × 100,228,735.30
  4. Step 4: Simplify right side
    330,260,019.70x = 49,652,316,142,026,128
  5. Step 5: Solve for x
    x = 49,652,316,142,026,128/330,260,019.70
  6. Step 6: Final answer
    x = 150,343,102.95

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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.