Home / 247,054,090.49-370,568,084.09-81,035,726.87

Finding the Fourth Proportional to 247,054,090.49, 370,568,084.09 and 81,035,726.87

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Solution

The fourth proportional to 247,054,090.49, 370,568,084.09 and 81,035,726.87 is: 121,549,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,054,090.49 : 370,568,084.09 = 81,035,726.87 : x
  2. Step 2: Convert to fraction form
    247,054,090.49/370,568,084.09 = 81,035,726.87/x
  3. Step 3: Cross multiply
    247,054,090.49x = 370,568,084.09 × 81,035,726.87
  4. Step 4: Simplify right side
    247,054,090.49x = 30,029,254,047,203,588
  5. Step 5: Solve for x
    x = 30,029,254,047,203,588/247,054,090.49
  6. Step 6: Final answer
    x = 121,549,309.25

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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.