Home / 115,139,300.83-172,786,661.67-45,100,842.03

Finding the Fourth Proportional to 115,139,300.83, 172,786,661.67 and 45,100,842.03

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Solution

The fourth proportional to 115,139,300.83, 172,786,661.67 and 45,100,842.03 is: 67,681,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,139,300.83 : 172,786,661.67 = 45,100,842.03 : x
  2. Step 2: Convert to fraction form
    115,139,300.83/172,786,661.67 = 45,100,842.03/x
  3. Step 3: Cross multiply
    115,139,300.83x = 172,786,661.67 × 45,100,842.03
  4. Step 4: Simplify right side
    115,139,300.83x = 7,792,823,932,869,726
  5. Step 5: Solve for x
    x = 7,792,823,932,869,726/115,139,300.83
  6. Step 6: Final answer
    x = 67,681,702.74

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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.