Home / 191,783,723.80-287,344,911.30-89,337,645.40

Finding the Fourth Proportional to 191,783,723.80, 287,344,911.30 and 89,337,645.40

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Solution

The fourth proportional to 191,783,723.80, 287,344,911.30 and 89,337,645.40 is: 133,852,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,783,723.80 : 287,344,911.30 = 89,337,645.40 : x
  2. Step 2: Convert to fraction form
    191,783,723.80/287,344,911.30 = 89,337,645.40/x
  3. Step 3: Cross multiply
    191,783,723.80x = 287,344,911.30 × 89,337,645.40
  4. Step 4: Simplify right side
    191,783,723.80x = 25,670,717,793,213,856
  5. Step 5: Solve for x
    x = 25,670,717,793,213,856/191,783,723.80
  6. Step 6: Final answer
    x = 133,852,431.71

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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.