Home / 116,746,901.66-161,112,639.42-69,708,085.20

Finding the Fourth Proportional to 116,746,901.66, 161,112,639.42 and 69,708,085.20

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Solution

The fourth proportional to 116,746,901.66, 161,112,639.42 and 69,708,085.20 is: 96,198,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,746,901.66 : 161,112,639.42 = 69,708,085.20 : x
  2. Step 2: Convert to fraction form
    116,746,901.66/161,112,639.42 = 69,708,085.20/x
  3. Step 3: Cross multiply
    116,746,901.66x = 161,112,639.42 × 69,708,085.20
  4. Step 4: Simplify right side
    116,746,901.66x = 11,230,853,595,486,238
  5. Step 5: Solve for x
    x = 11,230,853,595,486,238/116,746,901.66
  6. Step 6: Final answer
    x = 96,198,301.07

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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.