Home / 133,186,959.35-183,797,938.94-78,182,815.85

Finding the Fourth Proportional to 133,186,959.35, 183,797,938.94 and 78,182,815.85

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Solution

The fourth proportional to 133,186,959.35, 183,797,938.94 and 78,182,815.85 is: 107,892,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,186,959.35 : 183,797,938.94 = 78,182,815.85 : x
  2. Step 2: Convert to fraction form
    133,186,959.35/183,797,938.94 = 78,182,815.85/x
  3. Step 3: Cross multiply
    133,186,959.35x = 183,797,938.94 × 78,182,815.85
  4. Step 4: Simplify right side
    133,186,959.35x = 14,369,840,412,836,574
  5. Step 5: Solve for x
    x = 14,369,840,412,836,574/133,186,959.35
  6. Step 6: Final answer
    x = 107,892,247.74

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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.