Home / 130,829,145.90-196,031,142.45-109,146,353.10

Finding the Fourth Proportional to 130,829,145.90, 196,031,142.45 and 109,146,353.10

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Solution

The fourth proportional to 130,829,145.90, 196,031,142.45 and 109,146,353.10 is: 163,542,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,829,145.90 : 196,031,142.45 = 109,146,353.10 : x
  2. Step 2: Convert to fraction form
    130,829,145.90/196,031,142.45 = 109,146,353.10/x
  3. Step 3: Cross multiply
    130,829,145.90x = 196,031,142.45 × 109,146,353.10
  4. Step 4: Simplify right side
    130,829,145.90x = 21,396,084,292,444,096
  5. Step 5: Solve for x
    x = 21,396,084,292,444,096/130,829,145.90
  6. Step 6: Final answer
    x = 163,542,184.31

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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.