Home / 117,472,206.20-176,040,347.70-86,525,281.40

Finding the Fourth Proportional to 117,472,206.20, 176,040,347.70 and 86,525,281.40

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Solution

The fourth proportional to 117,472,206.20, 176,040,347.70 and 86,525,281.40 is: 129,664,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,472,206.20 : 176,040,347.70 = 86,525,281.40 : x
  2. Step 2: Convert to fraction form
    117,472,206.20/176,040,347.70 = 86,525,281.40/x
  3. Step 3: Cross multiply
    117,472,206.20x = 176,040,347.70 × 86,525,281.40
  4. Step 4: Simplify right side
    117,472,206.20x = 15,231,940,622,496,342
  5. Step 5: Solve for x
    x = 15,231,940,622,496,342/117,472,206.20
  6. Step 6: Final answer
    x = 129,664,208.37

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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.