Home / 132,040,529.41-197,803,143.63-86,464,149.25

Finding the Fourth Proportional to 132,040,529.41, 197,803,143.63 and 86,464,149.25

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Solution

The fourth proportional to 132,040,529.41, 197,803,143.63 and 86,464,149.25 is: 129,527,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,040,529.41 : 197,803,143.63 = 86,464,149.25 : x
  2. Step 2: Convert to fraction form
    132,040,529.41/197,803,143.63 = 86,464,149.25/x
  3. Step 3: Cross multiply
    132,040,529.41x = 197,803,143.63 × 86,464,149.25
  4. Step 4: Simplify right side
    132,040,529.41x = 17,102,880,532,943,506
  5. Step 5: Solve for x
    x = 17,102,880,532,943,506/132,040,529.41
  6. Step 6: Final answer
    x = 129,527,506.51

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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.