Home / 129,303,612.80-193,955,419.20-106,345,361.60

Finding the Fourth Proportional to 129,303,612.80, 193,955,419.20 and 106,345,361.60

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Solution

The fourth proportional to 129,303,612.80, 193,955,419.20 and 106,345,361.60 is: 159,518,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,303,612.80 : 193,955,419.20 = 106,345,361.60 : x
  2. Step 2: Convert to fraction form
    129,303,612.80/193,955,419.20 = 106,345,361.60/x
  3. Step 3: Cross multiply
    129,303,612.80x = 193,955,419.20 × 106,345,361.60
  4. Step 4: Simplify right side
    129,303,612.80x = 20,626,259,189,103,580
  5. Step 5: Solve for x
    x = 20,626,259,189,103,580/129,303,612.80
  6. Step 6: Final answer
    x = 159,518,042.40

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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.