Home / 255,194,714.40-382,540,129.20-125,696,320.80

Finding the Fourth Proportional to 255,194,714.40, 382,540,129.20 and 125,696,320.80

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Solution

The fourth proportional to 255,194,714.40, 382,540,129.20 and 125,696,320.80 is: 188,420,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,194,714.40 : 382,540,129.20 = 125,696,320.80 : x
  2. Step 2: Convert to fraction form
    255,194,714.40/382,540,129.20 = 125,696,320.80/x
  3. Step 3: Cross multiply
    255,194,714.40x = 382,540,129.20 × 125,696,320.80
  4. Step 4: Simplify right side
    255,194,714.40x = 48,083,886,798,796,648
  5. Step 5: Solve for x
    x = 48,083,886,798,796,648/255,194,714.40
  6. Step 6: Final answer
    x = 188,420,386.81

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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.