Home / 358,307,128.24-537,542,112.48-109,334,657.78

Finding the Fourth Proportional to 358,307,128.24, 537,542,112.48 and 109,334,657.78

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Solution

The fourth proportional to 358,307,128.24, 537,542,112.48 and 109,334,657.78 is: 164,026,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,307,128.24 : 537,542,112.48 = 109,334,657.78 : x
  2. Step 2: Convert to fraction form
    358,307,128.24/537,542,112.48 = 109,334,657.78/x
  3. Step 3: Cross multiply
    358,307,128.24x = 537,542,112.48 × 109,334,657.78
  4. Step 4: Simplify right side
    358,307,128.24x = 58,771,982,910,339,072
  5. Step 5: Solve for x
    x = 58,771,982,910,339,072/358,307,128.24
  6. Step 6: Final answer
    x = 164,026,831.39

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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.