Home / 130,030,092-179,440,576.56-71,291,789.28

Finding the Fourth Proportional to 130,030,092, 179,440,576.56 and 71,291,789.28

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Solution

The fourth proportional to 130,030,092, 179,440,576.56 and 71,291,789.28 is: 98,382,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030,092 : 179,440,576.56 = 71,291,789.28 : x
  2. Step 2: Convert to fraction form
    130,030,092/179,440,576.56 = 71,291,789.28/x
  3. Step 3: Cross multiply
    130,030,092x = 179,440,576.56 × 71,291,789.28
  4. Step 4: Simplify right side
    130,030,092x = 12,792,639,772,397,228
  5. Step 5: Solve for x
    x = 12,792,639,772,397,228/130,030,092
  6. Step 6: Final answer
    x = 98,382,148.13

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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.