Home / 247,054,091.49-370,568,085.59-81,035,727.87

Finding the Fourth Proportional to 247,054,091.49, 370,568,085.59 and 81,035,727.87

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Solution

The fourth proportional to 247,054,091.49, 370,568,085.59 and 81,035,727.87 is: 121,549,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,054,091.49 : 370,568,085.59 = 81,035,727.87 : x
  2. Step 2: Convert to fraction form
    247,054,091.49/370,568,085.59 = 81,035,727.87/x
  3. Step 3: Cross multiply
    247,054,091.49x = 370,568,085.59 × 81,035,727.87
  4. Step 4: Simplify right side
    247,054,091.49x = 30,029,254,541,178,108
  5. Step 5: Solve for x
    x = 30,029,254,541,178,108/247,054,091.49
  6. Step 6: Final answer
    x = 121,549,310.76

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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.