Home / 100,100,819.10-150,151,228.65-42,594,966.30

Finding the Fourth Proportional to 100,100,819.10, 150,151,228.65 and 42,594,966.30

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Solution

The fourth proportional to 100,100,819.10, 150,151,228.65 and 42,594,966.30 is: 63,892,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,100,819.10 : 150,151,228.65 = 42,594,966.30 : x
  2. Step 2: Convert to fraction form
    100,100,819.10/150,151,228.65 = 42,594,966.30/x
  3. Step 3: Cross multiply
    100,100,819.10x = 150,151,228.65 × 42,594,966.30
  4. Step 4: Simplify right side
    100,100,819.10x = 6,395,686,524,250,344
  5. Step 5: Solve for x
    x = 6,395,686,524,250,344/100,100,819.10
  6. Step 6: Final answer
    x = 63,892,449.45

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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.