Home / 130,219,200.80-195,359,905.20-39,343,680.80

Finding the Fourth Proportional to 130,219,200.80, 195,359,905.20 and 39,343,680.80

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Solution

The fourth proportional to 130,219,200.80, 195,359,905.20 and 39,343,680.80 is: 59,024,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,200.80 : 195,359,905.20 = 39,343,680.80 : x
  2. Step 2: Convert to fraction form
    130,219,200.80/195,359,905.20 = 39,343,680.80/x
  3. Step 3: Cross multiply
    130,219,200.80x = 195,359,905.20 × 39,343,680.80
  4. Step 4: Simplify right side
    130,219,200.80x = 7,686,177,751,307,059
  5. Step 5: Solve for x
    x = 7,686,177,751,307,059/130,219,200.80
  6. Step 6: Final answer
    x = 59,024,918.78

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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.