Home / 133,186,620.12-183,820,923.90-77,449,288.92

Finding the Fourth Proportional to 133,186,620.12, 183,820,923.90 and 77,449,288.92

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Solution

The fourth proportional to 133,186,620.12, 183,820,923.90 and 77,449,288.92 is: 106,893,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,186,620.12 : 183,820,923.90 = 77,449,288.92 : x
  2. Step 2: Convert to fraction form
    133,186,620.12/183,820,923.90 = 77,449,288.92/x
  3. Step 3: Cross multiply
    133,186,620.12x = 183,820,923.90 × 77,449,288.92
  4. Step 4: Simplify right side
    133,186,620.12x = 14,236,799,844,672,434
  5. Step 5: Solve for x
    x = 14,236,799,844,672,434/133,186,620.12
  6. Step 6: Final answer
    x = 106,893,619.13

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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.