Home / 147,622,854.30-221,434,281.45-90,227,226.30

Finding the Fourth Proportional to 147,622,854.30, 221,434,281.45 and 90,227,226.30

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Solution

The fourth proportional to 147,622,854.30, 221,434,281.45 and 90,227,226.30 is: 135,340,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,854.30 : 221,434,281.45 = 90,227,226.30 : x
  2. Step 2: Convert to fraction form
    147,622,854.30/221,434,281.45 = 90,227,226.30/x
  3. Step 3: Cross multiply
    147,622,854.30x = 221,434,281.45 × 90,227,226.30
  4. Step 4: Simplify right side
    147,622,854.30x = 19,979,401,022,967,040
  5. Step 5: Solve for x
    x = 19,979,401,022,967,040/147,622,854.30
  6. Step 6: Final answer
    x = 135,340,839.45

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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.