Home / 72,216,660.20-108,262,004.70-43,474,231.40

Finding the Fourth Proportional to 72,216,660.20, 108,262,004.70 and 43,474,231.40

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Solution

The fourth proportional to 72,216,660.20, 108,262,004.70 and 43,474,231.40 is: 65,173,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,216,660.20 : 108,262,004.70 = 43,474,231.40 : x
  2. Step 2: Convert to fraction form
    72,216,660.20/108,262,004.70 = 43,474,231.40/x
  3. Step 3: Cross multiply
    72,216,660.20x = 108,262,004.70 × 43,474,231.40
  4. Step 4: Simplify right side
    72,216,660.20x = 4,706,607,444,155,688
  5. Step 5: Solve for x
    x = 4,706,607,444,155,688/72,216,660.20
  6. Step 6: Final answer
    x = 65,173,429.94

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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.