Home / 130,191,906.20-195,216,903.30-39,303,685.40

Finding the Fourth Proportional to 130,191,906.20, 195,216,903.30 and 39,303,685.40

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Solution

The fourth proportional to 130,191,906.20, 195,216,903.30 and 39,303,685.40 is: 58,934,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,191,906.20 : 195,216,903.30 = 39,303,685.40 : x
  2. Step 2: Convert to fraction form
    130,191,906.20/195,216,903.30 = 39,303,685.40/x
  3. Step 3: Cross multiply
    130,191,906.20x = 195,216,903.30 × 39,303,685.40
  4. Step 4: Simplify right side
    130,191,906.20x = 7,672,743,752,065,422
  5. Step 5: Solve for x
    x = 7,672,743,752,065,422/130,191,906.20
  6. Step 6: Final answer
    x = 58,934,107.17

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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.