Home / 250,386,758.64-345,575,103.12-138,913,513.80

Finding the Fourth Proportional to 250,386,758.64, 345,575,103.12 and 138,913,513.80

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Solution

The fourth proportional to 250,386,758.64, 345,575,103.12 and 138,913,513.80 is: 191,723,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,386,758.64 : 345,575,103.12 = 138,913,513.80 : x
  2. Step 2: Convert to fraction form
    250,386,758.64/345,575,103.12 = 138,913,513.80/x
  3. Step 3: Cross multiply
    250,386,758.64x = 345,575,103.12 × 138,913,513.80
  4. Step 4: Simplify right side
    250,386,758.64x = 48,005,051,856,196,544
  5. Step 5: Solve for x
    x = 48,005,051,856,196,544/250,386,758.64
  6. Step 6: Final answer
    x = 191,723,604.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.