Home / 191,814,958.56-287,651,010.36-68,959,752.48

Finding the Fourth Proportional to 191,814,958.56, 287,651,010.36 and 68,959,752.48

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Solution

The fourth proportional to 191,814,958.56, 287,651,010.36 and 68,959,752.48 is: 103,413,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,814,958.56 : 287,651,010.36 = 68,959,752.48 : x
  2. Step 2: Convert to fraction form
    191,814,958.56/287,651,010.36 = 68,959,752.48/x
  3. Step 3: Cross multiply
    191,814,958.56x = 287,651,010.36 × 68,959,752.48
  4. Step 4: Simplify right side
    191,814,958.56x = 19,836,342,475,047,516
  5. Step 5: Solve for x
    x = 19,836,342,475,047,516/191,814,958.56
  6. Step 6: Final answer
    x = 103,413,949.69

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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.