Home / 102,814,672.28-154,216,331.72-75,176,911.82

Finding the Fourth Proportional to 102,814,672.28, 154,216,331.72 and 75,176,911.82

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Solution

The fourth proportional to 102,814,672.28, 154,216,331.72 and 75,176,911.82 is: 112,761,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,814,672.28 : 154,216,331.72 = 75,176,911.82 : x
  2. Step 2: Convert to fraction form
    102,814,672.28/154,216,331.72 = 75,176,911.82/x
  3. Step 3: Cross multiply
    102,814,672.28x = 154,216,331.72 × 75,176,911.82
  4. Step 4: Simplify right side
    102,814,672.28x = 11,593,507,569,771,342
  5. Step 5: Solve for x
    x = 11,593,507,569,771,342/102,814,672.28
  6. Step 6: Final answer
    x = 112,761,216.98

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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.