Home / 79,421,904.80-109,613,260.83-44,617,243.22

Finding the Fourth Proportional to 79,421,904.80, 109,613,260.83 and 44,617,243.22

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Solution

The fourth proportional to 79,421,904.80, 109,613,260.83 and 44,617,243.22 is: 61,577,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,421,904.80 : 109,613,260.83 = 44,617,243.22 : x
  2. Step 2: Convert to fraction form
    79,421,904.80/109,613,260.83 = 44,617,243.22/x
  3. Step 3: Cross multiply
    79,421,904.80x = 109,613,260.83 × 44,617,243.22
  4. Step 4: Simplify right side
    79,421,904.80x = 4,890,641,518,589,409
  5. Step 5: Solve for x
    x = 4,890,641,518,589,409/79,421,904.80
  6. Step 6: Final answer
    x = 61,577,993.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.