Home / 100,146,420.30-150,219,630.45-75,593,846.10

Finding the Fourth Proportional to 100,146,420.30, 150,219,630.45 and 75,593,846.10

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Solution

The fourth proportional to 100,146,420.30, 150,219,630.45 and 75,593,846.10 is: 113,390,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,146,420.30 : 150,219,630.45 = 75,593,846.10 : x
  2. Step 2: Convert to fraction form
    100,146,420.30/150,219,630.45 = 75,593,846.10/x
  3. Step 3: Cross multiply
    100,146,420.30x = 150,219,630.45 × 75,593,846.10
  4. Step 4: Simplify right side
    100,146,420.30x = 11,355,679,625,436,172
  5. Step 5: Solve for x
    x = 11,355,679,625,436,172/100,146,420.30
  6. Step 6: Final answer
    x = 113,390,769.15

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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.