Home / 102,814,672.79-154,216,332.47-75,176,912.32

Finding the Fourth Proportional to 102,814,672.79, 154,216,332.47 and 75,176,912.32

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Solution

The fourth proportional to 102,814,672.79, 154,216,332.47 and 75,176,912.32 is: 112,761,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,814,672.79 : 154,216,332.47 = 75,176,912.32 : x
  2. Step 2: Convert to fraction form
    102,814,672.79/154,216,332.47 = 75,176,912.32/x
  3. Step 3: Cross multiply
    102,814,672.79x = 154,216,332.47 × 75,176,912.32
  4. Step 4: Simplify right side
    102,814,672.79x = 11,593,507,703,262,192
  5. Step 5: Solve for x
    x = 11,593,507,703,262,192/102,814,672.79
  6. Step 6: Final answer
    x = 112,761,217.73

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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.