Home / 122,711,667.36-169,341,983.11-67,707,526.56

Finding the Fourth Proportional to 122,711,667.36, 169,341,983.11 and 67,707,526.56

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Solution

The fourth proportional to 122,711,667.36, 169,341,983.11 and 67,707,526.56 is: 93,436,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711,667.36 : 169,341,983.11 = 67,707,526.56 : x
  2. Step 2: Convert to fraction form
    122,711,667.36/169,341,983.11 = 67,707,526.56/x
  3. Step 3: Cross multiply
    122,711,667.36x = 169,341,983.11 × 67,707,526.56
  4. Step 4: Simplify right side
    122,711,667.36x = 11,465,726,818,804,858
  5. Step 5: Solve for x
    x = 11,465,726,818,804,858/122,711,667.36
  6. Step 6: Final answer
    x = 93,436,321.63

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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.