Home / 157,278,335.80-235,917,300.66-42,262,879.48

Finding the Fourth Proportional to 157,278,335.80, 235,917,300.66 and 42,262,879.48

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Solution

The fourth proportional to 157,278,335.80, 235,917,300.66 and 42,262,879.48 is: 63,394,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278,335.80 : 235,917,300.66 = 42,262,879.48 : x
  2. Step 2: Convert to fraction form
    157,278,335.80/235,917,300.66 = 42,262,879.48/x
  3. Step 3: Cross multiply
    157,278,335.80x = 235,917,300.66 × 42,262,879.48
  4. Step 4: Simplify right side
    157,278,335.80x = 9,970,544,445,040,504
  5. Step 5: Solve for x
    x = 9,970,544,445,040,504/157,278,335.80
  6. Step 6: Final answer
    x = 63,394,264.66

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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.