Home / 100,696,885.20-150,903,610.20-74,585,417.40

Finding the Fourth Proportional to 100,696,885.20, 150,903,610.20 and 74,585,417.40

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Solution

The fourth proportional to 100,696,885.20, 150,903,610.20 and 74,585,417.40 is: 111,773,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,696,885.20 : 150,903,610.20 = 74,585,417.40 : x
  2. Step 2: Convert to fraction form
    100,696,885.20/150,903,610.20 = 74,585,417.40/x
  3. Step 3: Cross multiply
    100,696,885.20x = 150,903,610.20 × 74,585,417.40
  4. Step 4: Simplify right side
    100,696,885.20x = 11,255,208,753,933,898
  5. Step 5: Solve for x
    x = 11,255,208,753,933,898/100,696,885.20
  6. Step 6: Final answer
    x = 111,773,156.95

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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.