Home / 83,147,137.32-114,686,116.74-54,212,952.36

Finding the Fourth Proportional to 83,147,137.32, 114,686,116.74 and 54,212,952.36

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Solution

The fourth proportional to 83,147,137.32, 114,686,116.74 and 54,212,952.36 is: 74,776,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,147,137.32 : 114,686,116.74 = 54,212,952.36 : x
  2. Step 2: Convert to fraction form
    83,147,137.32/114,686,116.74 = 54,212,952.36/x
  3. Step 3: Cross multiply
    83,147,137.32x = 114,686,116.74 × 54,212,952.36
  4. Step 4: Simplify right side
    83,147,137.32x = 6,217,472,983,179,018
  5. Step 5: Solve for x
    x = 6,217,472,983,179,018/83,147,137.32
  6. Step 6: Final answer
    x = 74,776,753.40

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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.