Home / 101,522,172.92-140,102,302.41-55,112,426.83

Finding the Fourth Proportional to 101,522,172.92, 140,102,302.41 and 55,112,426.83

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Solution

The fourth proportional to 101,522,172.92, 140,102,302.41 and 55,112,426.83 is: 76,056,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,522,172.92 : 140,102,302.41 = 55,112,426.83 : x
  2. Step 2: Convert to fraction form
    101,522,172.92/140,102,302.41 = 55,112,426.83/x
  3. Step 3: Cross multiply
    101,522,172.92x = 140,102,302.41 × 55,112,426.83
  4. Step 4: Simplify right side
    101,522,172.92x = 7,721,377,889,935,402
  5. Step 5: Solve for x
    x = 7,721,377,889,935,402/101,522,172.92
  6. Step 6: Final answer
    x = 76,056,073.94

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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.