Home / 156,434,821.20-234,651,065.40-47,259,781.20

Finding the Fourth Proportional to 156,434,821.20, 234,651,065.40 and 47,259,781.20

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Solution

The fourth proportional to 156,434,821.20, 234,651,065.40 and 47,259,781.20 is: 70,889,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,434,821.20 : 234,651,065.40 = 47,259,781.20 : x
  2. Step 2: Convert to fraction form
    156,434,821.20/234,651,065.40 = 47,259,781.20/x
  3. Step 3: Cross multiply
    156,434,821.20x = 234,651,065.40 × 47,259,781.20
  4. Step 4: Simplify right side
    156,434,821.20x = 11,089,558,009,150,892
  5. Step 5: Solve for x
    x = 11,089,558,009,150,892/156,434,821.20
  6. Step 6: Final answer
    x = 70,889,319.42

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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.