Home / 135,378,410.77-203,086,897.75-42,013,448.92

Finding the Fourth Proportional to 135,378,410.77, 203,086,897.75 and 42,013,448.92

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Solution

The fourth proportional to 135,378,410.77, 203,086,897.75 and 42,013,448.92 is: 63,026,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,378,410.77 : 203,086,897.75 = 42,013,448.92 : x
  2. Step 2: Convert to fraction form
    135,378,410.77/203,086,897.75 = 42,013,448.92/x
  3. Step 3: Cross multiply
    135,378,410.77x = 203,086,897.75 × 42,013,448.92
  4. Step 4: Simplify right side
    135,378,410.77x = 8,532,381,005,247,263
  5. Step 5: Solve for x
    x = 8,532,381,005,247,263/135,378,410.77
  6. Step 6: Final answer
    x = 63,026,157.25

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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.