Home / 116,983,746.77-161,446,659.84-64,777,639.73

Finding the Fourth Proportional to 116,983,746.77, 161,446,659.84 and 64,777,639.73

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Solution

The fourth proportional to 116,983,746.77, 161,446,659.84 and 64,777,639.73 is: 89,398,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,983,746.77 : 161,446,659.84 = 64,777,639.73 : x
  2. Step 2: Convert to fraction form
    116,983,746.77/161,446,659.84 = 64,777,639.73/x
  3. Step 3: Cross multiply
    116,983,746.77x = 161,446,659.84 × 64,777,639.73
  4. Step 4: Simplify right side
    116,983,746.77x = 10,458,133,565,920,146
  5. Step 5: Solve for x
    x = 10,458,133,565,920,146/116,983,746.77
  6. Step 6: Final answer
    x = 89,398,175.86

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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.