Home / 90,226,166.72-124,508,760-48,972,171.20

Finding the Fourth Proportional to 90,226,166.72, 124,508,760 and 48,972,171.20

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Solution

The fourth proportional to 90,226,166.72, 124,508,760 and 48,972,171.20 is: 67,579,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,226,166.72 : 124,508,760 = 48,972,171.20 : x
  2. Step 2: Convert to fraction form
    90,226,166.72/124,508,760 = 48,972,171.20/x
  3. Step 3: Cross multiply
    90,226,166.72x = 124,508,760 × 48,972,171.20
  4. Step 4: Simplify right side
    90,226,166.72x = 6,097,464,310,619,712
  5. Step 5: Solve for x
    x = 6,097,464,310,619,712/90,226,166.72
  6. Step 6: Final answer
    x = 67,579,777.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.