Home / 247,054,089.49-370,568,082.59-81,035,725.86

Finding the Fourth Proportional to 247,054,089.49, 370,568,082.59 and 81,035,725.86

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Solution

The fourth proportional to 247,054,089.49, 370,568,082.59 and 81,035,725.86 is: 121,549,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,054,089.49 : 370,568,082.59 = 81,035,725.86 : x
  2. Step 2: Convert to fraction form
    247,054,089.49/370,568,082.59 = 81,035,725.86/x
  3. Step 3: Cross multiply
    247,054,089.49x = 370,568,082.59 × 81,035,725.86
  4. Step 4: Simplify right side
    247,054,089.49x = 30,029,253,554,517,412
  5. Step 5: Solve for x
    x = 30,029,253,554,517,412/247,054,089.49
  6. Step 6: Final answer
    x = 121,549,307.75

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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.