Home / 141,780,740.40-212,989,975.20-136,360,042.20

Finding the Fourth Proportional to 141,780,740.40, 212,989,975.20 and 136,360,042.20

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Solution

The fourth proportional to 141,780,740.40, 212,989,975.20 and 136,360,042.20 is: 204,846,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,780,740.40 : 212,989,975.20 = 136,360,042.20 : x
  2. Step 2: Convert to fraction form
    141,780,740.40/212,989,975.20 = 136,360,042.20/x
  3. Step 3: Cross multiply
    141,780,740.40x = 212,989,975.20 × 136,360,042.20
  4. Step 4: Simplify right side
    141,780,740.40x = 29,043,322,006,448,948
  5. Step 5: Solve for x
    x = 29,043,322,006,448,948/141,780,740.40
  6. Step 6: Final answer
    x = 204,846,736.76

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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.