Home / 341,856,080.10-512,771,678.55-137,328,617.70

Finding the Fourth Proportional to 341,856,080.10, 512,771,678.55 and 137,328,617.70

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Solution

The fourth proportional to 341,856,080.10, 512,771,678.55 and 137,328,617.70 is: 205,987,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,856,080.10 : 512,771,678.55 = 137,328,617.70 : x
  2. Step 2: Convert to fraction form
    341,856,080.10/512,771,678.55 = 137,328,617.70/x
  3. Step 3: Cross multiply
    341,856,080.10x = 512,771,678.55 × 137,328,617.70
  4. Step 4: Simplify right side
    341,856,080.10x = 70,418,225,810,980,232
  5. Step 5: Solve for x
    x = 70,418,225,810,980,232/341,856,080.10
  6. Step 6: Final answer
    x = 205,987,928.58

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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.