Home / 72,746,478.20-109,161,707.70-27,312,865.40

Finding the Fourth Proportional to 72,746,478.20, 109,161,707.70 and 27,312,865.40

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Solution

The fourth proportional to 72,746,478.20, 109,161,707.70 and 27,312,865.40 is: 40,985,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,746,478.20 : 109,161,707.70 = 27,312,865.40 : x
  2. Step 2: Convert to fraction form
    72,746,478.20/109,161,707.70 = 27,312,865.40/x
  3. Step 3: Cross multiply
    72,746,478.20x = 109,161,707.70 × 27,312,865.40
  4. Step 4: Simplify right side
    72,746,478.20x = 2,981,519,029,244,243.50
  5. Step 5: Solve for x
    x = 2,981,519,029,244,243.50/72,746,478.20
  6. Step 6: Final answer
    x = 40,985,063.51

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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.