Home / 179,987,782.56-248,382,367.20-100,602,732.16

Finding the Fourth Proportional to 179,987,782.56, 248,382,367.20 and 100,602,732.16

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Solution

The fourth proportional to 179,987,782.56, 248,382,367.20 and 100,602,732.16 is: 138,831,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,987,782.56 : 248,382,367.20 = 100,602,732.16 : x
  2. Step 2: Convert to fraction form
    179,987,782.56/248,382,367.20 = 100,602,732.16/x
  3. Step 3: Cross multiply
    179,987,782.56x = 248,382,367.20 × 100,602,732.16
  4. Step 4: Simplify right side
    179,987,782.56x = 24,987,944,760,688,368
  5. Step 5: Solve for x
    x = 24,987,944,760,688,368/179,987,782.56
  6. Step 6: Final answer
    x = 138,831,338.47

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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.