Home / 92,838,738.20-128,111,842.50-51,584,219.96

Finding the Fourth Proportional to 92,838,738.20, 128,111,842.50 and 51,584,219.96

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Solution

The fourth proportional to 92,838,738.20, 128,111,842.50 and 51,584,219.96 is: 71,183,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,838,738.20 : 128,111,842.50 = 51,584,219.96 : x
  2. Step 2: Convert to fraction form
    92,838,738.20/128,111,842.50 = 51,584,219.96/x
  3. Step 3: Cross multiply
    92,838,738.20x = 128,111,842.50 × 51,584,219.96
  4. Step 4: Simplify right side
    92,838,738.20x = 6,608,549,463,000,876
  5. Step 5: Solve for x
    x = 6,608,549,463,000,876/92,838,738.20
  6. Step 6: Final answer
    x = 71,183,102.99

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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.