Home / 133,213,763.50-183,825,661.22-77,455,228.09

Finding the Fourth Proportional to 133,213,763.50, 183,825,661.22 and 77,455,228.09

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Solution

The fourth proportional to 133,213,763.50, 183,825,661.22 and 77,455,228.09 is: 106,882,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,213,763.50 : 183,825,661.22 = 77,455,228.09 : x
  2. Step 2: Convert to fraction form
    133,213,763.50/183,825,661.22 = 77,455,228.09/x
  3. Step 3: Cross multiply
    133,213,763.50x = 183,825,661.22 × 77,455,228.09
  4. Step 4: Simplify right side
    133,213,763.50x = 14,238,258,518,590,168
  5. Step 5: Solve for x
    x = 14,238,258,518,590,168/133,213,763.50
  6. Step 6: Final answer
    x = 106,882,788.57

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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.