Home / 170,754,481.28-235,641,260.40-92,438,032.16

Finding the Fourth Proportional to 170,754,481.28, 235,641,260.40 and 92,438,032.16

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Solution

The fourth proportional to 170,754,481.28, 235,641,260.40 and 92,438,032.16 is: 127,564,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,754,481.28 : 235,641,260.40 = 92,438,032.16 : x
  2. Step 2: Convert to fraction form
    170,754,481.28/235,641,260.40 = 92,438,032.16/x
  3. Step 3: Cross multiply
    170,754,481.28x = 235,641,260.40 × 92,438,032.16
  4. Step 4: Simplify right side
    170,754,481.28x = 21,782,214,407,078,136
  5. Step 5: Solve for x
    x = 21,782,214,407,078,136/170,754,481.28
  6. Step 6: Final answer
    x = 127,564,525.65

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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.