Home / 137,351,875.40-189,545,544.55-75,476,199.77

Finding the Fourth Proportional to 137,351,875.40, 189,545,544.55 and 75,476,199.77

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Solution

The fourth proportional to 137,351,875.40, 189,545,544.55 and 75,476,199.77 is: 104,157,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,351,875.40 : 189,545,544.55 = 75,476,199.77 : x
  2. Step 2: Convert to fraction form
    137,351,875.40/189,545,544.55 = 75,476,199.77/x
  3. Step 3: Cross multiply
    137,351,875.40x = 189,545,544.55 × 75,476,199.77
  4. Step 4: Simplify right side
    137,351,875.40x = 14,306,177,385,826,648
  5. Step 5: Solve for x
    x = 14,306,177,385,826,648/137,351,875.40
  6. Step 6: Final answer
    x = 104,157,131.78

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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.