Home / 173,605,009.10-260,045,346.45-81,567,301.10

Finding the Fourth Proportional to 173,605,009.10, 260,045,346.45 and 81,567,301.10

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Solution

The fourth proportional to 173,605,009.10, 260,045,346.45 and 81,567,301.10 is: 122,180,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,605,009.10 : 260,045,346.45 = 81,567,301.10 : x
  2. Step 2: Convert to fraction form
    173,605,009.10/260,045,346.45 = 81,567,301.10/x
  3. Step 3: Cross multiply
    173,605,009.10x = 260,045,346.45 × 81,567,301.10
  4. Step 4: Simplify right side
    173,605,009.10x = 21,211,197,073,540,964
  5. Step 5: Solve for x
    x = 21,211,197,073,540,964/173,605,009.10
  6. Step 6: Final answer
    x = 122,180,789.50

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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.