Home / 144,851,466.05-217,277,199.08-128,979,094.85

Finding the Fourth Proportional to 144,851,466.05, 217,277,199.08 and 128,979,094.85

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Solution

The fourth proportional to 144,851,466.05, 217,277,199.08 and 128,979,094.85 is: 193,468,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,851,466.05 : 217,277,199.08 = 128,979,094.85 : x
  2. Step 2: Convert to fraction form
    144,851,466.05/217,277,199.08 = 128,979,094.85/x
  3. Step 3: Cross multiply
    144,851,466.05x = 217,277,199.08 × 128,979,094.85
  4. Step 4: Simplify right side
    144,851,466.05x = 28,024,216,468,236,756
  5. Step 5: Solve for x
    x = 28,024,216,468,236,756/144,851,466.05
  6. Step 6: Final answer
    x = 193,468,642.28

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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.