Home / 132,040,528.41-197,803,142.13-86,464,148.25

Finding the Fourth Proportional to 132,040,528.41, 197,803,142.13 and 86,464,148.25

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Solution

The fourth proportional to 132,040,528.41, 197,803,142.13 and 86,464,148.25 is: 129,527,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,040,528.41 : 197,803,142.13 = 86,464,148.25 : x
  2. Step 2: Convert to fraction form
    132,040,528.41/197,803,142.13 = 86,464,148.25/x
  3. Step 3: Cross multiply
    132,040,528.41x = 197,803,142.13 × 86,464,148.25
  4. Step 4: Simplify right side
    132,040,528.41x = 17,102,880,205,444,140
  5. Step 5: Solve for x
    x = 17,102,880,205,444,140/132,040,528.41
  6. Step 6: Final answer
    x = 129,527,505.01

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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.