Home / 252,876,919.32-349,026,288.48-153,736,600.68

Finding the Fourth Proportional to 252,876,919.32, 349,026,288.48 and 153,736,600.68

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Solution

The fourth proportional to 252,876,919.32, 349,026,288.48 and 153,736,600.68 is: 212,190,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,876,919.32 : 349,026,288.48 = 153,736,600.68 : x
  2. Step 2: Convert to fraction form
    252,876,919.32/349,026,288.48 = 153,736,600.68/x
  3. Step 3: Cross multiply
    252,876,919.32x = 349,026,288.48 × 153,736,600.68
  4. Step 4: Simplify right side
    252,876,919.32x = 53,658,115,138,872,248
  5. Step 5: Solve for x
    x = 53,658,115,138,872,248/252,876,919.32
  6. Step 6: Final answer
    x = 212,190,639.16

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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.