Home / 72,592,945.20-108,889,417.80-36,313,239.60

Finding the Fourth Proportional to 72,592,945.20, 108,889,417.80 and 36,313,239.60

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Solution

The fourth proportional to 72,592,945.20, 108,889,417.80 and 36,313,239.60 is: 54,469,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,945.20 : 108,889,417.80 = 36,313,239.60 : x
  2. Step 2: Convert to fraction form
    72,592,945.20/108,889,417.80 = 36,313,239.60/x
  3. Step 3: Cross multiply
    72,592,945.20x = 108,889,417.80 × 36,313,239.60
  4. Step 4: Simplify right side
    72,592,945.20x = 3,954,127,518,475,905
  5. Step 5: Solve for x
    x = 3,954,127,518,475,905/72,592,945.20
  6. Step 6: Final answer
    x = 54,469,859.40

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1.5x scale

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.