Home / 179,041,414.74-247,067,053.65-100,728,268.98

Finding the Fourth Proportional to 179,041,414.74, 247,067,053.65 and 100,728,268.98

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Solution

The fourth proportional to 179,041,414.74, 247,067,053.65 and 100,728,268.98 is: 138,999,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,041,414.74 : 247,067,053.65 = 100,728,268.98 : x
  2. Step 2: Convert to fraction form
    179,041,414.74/247,067,053.65 = 100,728,268.98/x
  3. Step 3: Cross multiply
    179,041,414.74x = 247,067,053.65 × 100,728,268.98
  4. Step 4: Simplify right side
    179,041,414.74x = 24,886,636,636,153,292
  5. Step 5: Solve for x
    x = 24,886,636,636,153,292/179,041,414.74
  6. Step 6: Final answer
    x = 138,999,329.69

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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.