Home / 122,873,313.13-169,565,749.46-67,119,505.67

Finding the Fourth Proportional to 122,873,313.13, 169,565,749.46 and 67,119,505.67

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Solution

The fourth proportional to 122,873,313.13, 169,565,749.46 and 67,119,505.67 is: 92,625,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,873,313.13 : 169,565,749.46 = 67,119,505.67 : x
  2. Step 2: Convert to fraction form
    122,873,313.13/169,565,749.46 = 67,119,505.67/x
  3. Step 3: Cross multiply
    122,873,313.13x = 169,565,749.46 × 67,119,505.67
  4. Step 4: Simplify right side
    122,873,313.13x = 11,381,169,283,035,496
  5. Step 5: Solve for x
    x = 11,381,169,283,035,496/122,873,313.13
  6. Step 6: Final answer
    x = 92,625,233.20

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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.