Home / 151,925,455.91-209,657,087.81-82,310,836.77

Finding the Fourth Proportional to 151,925,455.91, 209,657,087.81 and 82,310,836.77

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Solution

The fourth proportional to 151,925,455.91, 209,657,087.81 and 82,310,836.77 is: 113,588,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,925,455.91 : 209,657,087.81 = 82,310,836.77 : x
  2. Step 2: Convert to fraction form
    151,925,455.91/209,657,087.81 = 82,310,836.77/x
  3. Step 3: Cross multiply
    151,925,455.91x = 209,657,087.81 × 82,310,836.77
  4. Step 4: Simplify right side
    151,925,455.91x = 17,257,050,332,300,400
  5. Step 5: Solve for x
    x = 17,257,050,332,300,400/151,925,455.91
  6. Step 6: Final answer
    x = 113,588,932.34

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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.