Home / 191,641,509.68-287,347,343.19-87,880,730.44

Finding the Fourth Proportional to 191,641,509.68, 287,347,343.19 and 87,880,730.44

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Solution

The fourth proportional to 191,641,509.68, 287,347,343.19 and 87,880,730.44 is: 131,768,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,641,509.68 : 287,347,343.19 = 87,880,730.44 : x
  2. Step 2: Convert to fraction form
    191,641,509.68/287,347,343.19 = 87,880,730.44/x
  3. Step 3: Cross multiply
    191,641,509.68x = 287,347,343.19 × 87,880,730.44
  4. Step 4: Simplify right side
    191,641,509.68x = 25,252,294,409,530,560
  5. Step 5: Solve for x
    x = 25,252,294,409,530,560/191,641,509.68
  6. Step 6: Final answer
    x = 131,768,396.37

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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.