Home / 312,337,639.11-468,559,131.36-105,026,769.66

Finding the Fourth Proportional to 312,337,639.11, 468,559,131.36 and 105,026,769.66

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Solution

The fourth proportional to 312,337,639.11, 468,559,131.36 and 105,026,769.66 is: 157,557,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,337,639.11 : 468,559,131.36 = 105,026,769.66 : x
  2. Step 2: Convert to fraction form
    312,337,639.11/468,559,131.36 = 105,026,769.66/x
  3. Step 3: Cross multiply
    312,337,639.11x = 468,559,131.36 × 105,026,769.66
  4. Step 4: Simplify right side
    312,337,639.11x = 49,211,251,961,436,400
  5. Step 5: Solve for x
    x = 49,211,251,961,436,400/312,337,639.11
  6. Step 6: Final answer
    x = 157,557,866.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.