Home / 130,829,139.40-196,031,132.70-109,146,346.60

Finding the Fourth Proportional to 130,829,139.40, 196,031,132.70 and 109,146,346.60

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Solution

The fourth proportional to 130,829,139.40, 196,031,132.70 and 109,146,346.60 is: 163,542,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,829,139.40 : 196,031,132.70 = 109,146,346.60 : x
  2. Step 2: Convert to fraction form
    130,829,139.40/196,031,132.70 = 109,146,346.60/x
  3. Step 3: Cross multiply
    130,829,139.40x = 196,031,132.70 × 109,146,346.60
  4. Step 4: Simplify right side
    130,829,139.40x = 21,396,081,954,064,792
  5. Step 5: Solve for x
    x = 21,396,081,954,064,792/130,829,139.40
  6. Step 6: Final answer
    x = 163,542,174.57

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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.