Home / 130,190,300.20-195,214,494.30-39,302,079.40

Finding the Fourth Proportional to 130,190,300.20, 195,214,494.30 and 39,302,079.40

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Solution

The fourth proportional to 130,190,300.20, 195,214,494.30 and 39,302,079.40 is: 58,931,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,190,300.20 : 195,214,494.30 = 39,302,079.40 : x
  2. Step 2: Convert to fraction form
    130,190,300.20/195,214,494.30 = 39,302,079.40/x
  3. Step 3: Cross multiply
    130,190,300.20x = 195,214,494.30 × 39,302,079.40
  4. Step 4: Simplify right side
    130,190,300.20x = 7,672,335,555,009,448
  5. Step 5: Solve for x
    x = 7,672,335,555,009,448/130,190,300.20
  6. Step 6: Final answer
    x = 58,931,698.78

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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.