Home / 216,404,703.76-324,656,823-70,842,960.40

Finding the Fourth Proportional to 216,404,703.76, 324,656,823 and 70,842,960.40

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Solution

The fourth proportional to 216,404,703.76, 324,656,823 and 70,842,960.40 is: 106,280,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,404,703.76 : 324,656,823 = 70,842,960.40 : x
  2. Step 2: Convert to fraction form
    216,404,703.76/324,656,823 = 70,842,960.40/x
  3. Step 3: Cross multiply
    216,404,703.76x = 324,656,823 × 70,842,960.40
  4. Step 4: Simplify right side
    216,404,703.76x = 22,999,650,455,378,812
  5. Step 5: Solve for x
    x = 22,999,650,455,378,812/216,404,703.76
  6. Step 6: Final answer
    x = 106,280,732.61

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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.