Home / 130,711,020.45-196,033,856.90-38,576,472.09

Finding the Fourth Proportional to 130,711,020.45, 196,033,856.90 and 38,576,472.09

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Solution

The fourth proportional to 130,711,020.45, 196,033,856.90 and 38,576,472.09 is: 57,855,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,711,020.45 : 196,033,856.90 = 38,576,472.09 : x
  2. Step 2: Convert to fraction form
    130,711,020.45/196,033,856.90 = 38,576,472.09/x
  3. Step 3: Cross multiply
    130,711,020.45x = 196,033,856.90 × 38,576,472.09
  4. Step 4: Simplify right side
    130,711,020.45x = 7,562,294,609,681,181
  5. Step 5: Solve for x
    x = 7,562,294,609,681,181/130,711,020.45
  6. Step 6: Final answer
    x = 57,855,065.19

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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.