Home / 191,874,131.28-287,811,245.92-53,720,091.84

Finding the Fourth Proportional to 191,874,131.28, 287,811,245.92 and 53,720,091.84

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Solution

The fourth proportional to 191,874,131.28, 287,811,245.92 and 53,720,091.84 is: 80,580,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,874,131.28 : 287,811,245.92 = 53,720,091.84 : x
  2. Step 2: Convert to fraction form
    191,874,131.28/287,811,245.92 = 53,720,091.84/x
  3. Step 3: Cross multiply
    191,874,131.28x = 287,811,245.92 × 53,720,091.84
  4. Step 4: Simplify right side
    191,874,131.28x = 15,461,246,563,407,228
  5. Step 5: Solve for x
    x = 15,461,246,563,407,228/191,874,131.28
  6. Step 6: Final answer
    x = 80,580,151.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.