Home / 92,951,617.90-128,457,276.70-76,179,904.14

Finding the Fourth Proportional to 92,951,617.90, 128,457,276.70 and 76,179,904.14

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Solution

The fourth proportional to 92,951,617.90, 128,457,276.70 and 76,179,904.14 is: 105,279,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951,617.90 : 128,457,276.70 = 76,179,904.14 : x
  2. Step 2: Convert to fraction form
    92,951,617.90/128,457,276.70 = 76,179,904.14/x
  3. Step 3: Cross multiply
    92,951,617.90x = 128,457,276.70 × 76,179,904.14
  4. Step 4: Simplify right side
    92,951,617.90x = 9,785,863,024,710,556
  5. Step 5: Solve for x
    x = 9,785,863,024,710,556/92,951,617.90
  6. Step 6: Final answer
    x = 105,279,103.76

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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.