Home / 235,600,707.66-325,125,009.58-129,763,978.78

Finding the Fourth Proportional to 235,600,707.66, 325,125,009.58 and 129,763,978.78

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Solution

The fourth proportional to 235,600,707.66, 325,125,009.58 and 129,763,978.78 is: 179,072,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,600,707.66 : 325,125,009.58 = 129,763,978.78 : x
  2. Step 2: Convert to fraction form
    235,600,707.66/325,125,009.58 = 129,763,978.78/x
  3. Step 3: Cross multiply
    235,600,707.66x = 325,125,009.58 × 129,763,978.78
  4. Step 4: Simplify right side
    235,600,707.66x = 42,189,514,843,660,264
  5. Step 5: Solve for x
    x = 42,189,514,843,660,264/235,600,707.66
  6. Step 6: Final answer
    x = 179,072,105.78

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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.