Home / 140,514,783.90-210,772,175.85-125,448,431.55

Finding the Fourth Proportional to 140,514,783.90, 210,772,175.85 and 125,448,431.55

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Solution

The fourth proportional to 140,514,783.90, 210,772,175.85 and 125,448,431.55 is: 188,172,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,514,783.90 : 210,772,175.85 = 125,448,431.55 : x
  2. Step 2: Convert to fraction form
    140,514,783.90/210,772,175.85 = 125,448,431.55/x
  3. Step 3: Cross multiply
    140,514,783.90x = 210,772,175.85 × 125,448,431.55
  4. Step 4: Simplify right side
    140,514,783.90x = 26,441,038,874,763,288
  5. Step 5: Solve for x
    x = 26,441,038,874,763,288/140,514,783.90
  6. Step 6: Final answer
    x = 188,172,647.33

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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.