Home / 100,202,443.80-150,303,665.70-66,162,226.20

Finding the Fourth Proportional to 100,202,443.80, 150,303,665.70 and 66,162,226.20

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Solution

The fourth proportional to 100,202,443.80, 150,303,665.70 and 66,162,226.20 is: 99,243,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,202,443.80 : 150,303,665.70 = 66,162,226.20 : x
  2. Step 2: Convert to fraction form
    100,202,443.80/150,303,665.70 = 66,162,226.20/x
  3. Step 3: Cross multiply
    100,202,443.80x = 150,303,665.70 × 66,162,226.20
  4. Step 4: Simplify right side
    100,202,443.80x = 9,944,425,128,732,580
  5. Step 5: Solve for x
    x = 9,944,425,128,732,580/100,202,443.80
  6. Step 6: Final answer
    x = 99,243,339.30

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Double scale
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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.