Home / 140,461,800.56-193,835,856.98-77,738,020.30

Finding the Fourth Proportional to 140,461,800.56, 193,835,856.98 and 77,738,020.30

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Solution

The fourth proportional to 140,461,800.56, 193,835,856.98 and 77,738,020.30 is: 107,277,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,461,800.56 : 193,835,856.98 = 77,738,020.30 : x
  2. Step 2: Convert to fraction form
    140,461,800.56/193,835,856.98 = 77,738,020.30/x
  3. Step 3: Cross multiply
    140,461,800.56x = 193,835,856.98 × 77,738,020.30
  4. Step 4: Simplify right side
    140,461,800.56x = 15,068,415,785,215,774
  5. Step 5: Solve for x
    x = 15,068,415,785,215,774/140,461,800.56
  6. Step 6: Final answer
    x = 107,277,677.81

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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.