Home / 141,780,741.40-212,989,976.70-136,360,043.20

Finding the Fourth Proportional to 141,780,741.40, 212,989,976.70 and 136,360,043.20

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Solution

The fourth proportional to 141,780,741.40, 212,989,976.70 and 136,360,043.20 is: 204,846,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,780,741.40 : 212,989,976.70 = 136,360,043.20 : x
  2. Step 2: Convert to fraction form
    141,780,741.40/212,989,976.70 = 136,360,043.20/x
  3. Step 3: Cross multiply
    141,780,741.40x = 212,989,976.70 × 136,360,043.20
  4. Step 4: Simplify right side
    141,780,741.40x = 29,043,322,423,978,988
  5. Step 5: Solve for x
    x = 29,043,322,423,978,988/141,780,741.40
  6. Step 6: Final answer
    x = 204,846,738.26

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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.