Home / 133,213,761.81-183,825,658.89-77,455,226.40

Finding the Fourth Proportional to 133,213,761.81, 183,825,658.89 and 77,455,226.40

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Solution

The fourth proportional to 133,213,761.81, 183,825,658.89 and 77,455,226.40 is: 106,882,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,213,761.81 : 183,825,658.89 = 77,455,226.40 : x
  2. Step 2: Convert to fraction form
    133,213,761.81/183,825,658.89 = 77,455,226.40/x
  3. Step 3: Cross multiply
    133,213,761.81x = 183,825,658.89 × 77,455,226.40
  4. Step 4: Simplify right side
    133,213,761.81x = 14,238,258,027,648,960
  5. Step 5: Solve for x
    x = 14,238,258,027,648,960/133,213,761.81
  6. Step 6: Final answer
    x = 106,882,786.24

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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.