Home / 178,413,580.44-245,752,000.20-126,112,700.16

Finding the Fourth Proportional to 178,413,580.44, 245,752,000.20 and 126,112,700.16

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Solution

The fourth proportional to 178,413,580.44, 245,752,000.20 and 126,112,700.16 is: 173,711,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,413,580.44 : 245,752,000.20 = 126,112,700.16 : x
  2. Step 2: Convert to fraction form
    178,413,580.44/245,752,000.20 = 126,112,700.16/x
  3. Step 3: Cross multiply
    178,413,580.44x = 245,752,000.20 × 126,112,700.16
  4. Step 4: Simplify right side
    178,413,580.44x = 30,992,448,314,942,856
  5. Step 5: Solve for x
    x = 30,992,448,314,942,856/178,413,580.44
  6. Step 6: Final answer
    x = 173,711,262.55

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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.