Home / 117,617,441.76-162,288,284.40-68,715,421.92

Finding the Fourth Proportional to 117,617,441.76, 162,288,284.40 and 68,715,421.92

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Solution

The fourth proportional to 117,617,441.76, 162,288,284.40 and 68,715,421.92 is: 94,813,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,617,441.76 : 162,288,284.40 = 68,715,421.92 : x
  2. Step 2: Convert to fraction form
    117,617,441.76/162,288,284.40 = 68,715,421.92/x
  3. Step 3: Cross multiply
    117,617,441.76x = 162,288,284.40 × 68,715,421.92
  4. Step 4: Simplify right side
    117,617,441.76x = 11,151,707,935,218,954
  5. Step 5: Solve for x
    x = 11,151,707,935,218,954/117,617,441.76
  6. Step 6: Final answer
    x = 94,813,386.25

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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.