Home / 139,168,589.69-208,751,555.29-84,596,242.61

Finding the Fourth Proportional to 139,168,589.69, 208,751,555.29 and 84,596,242.61

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Solution

The fourth proportional to 139,168,589.69, 208,751,555.29 and 84,596,242.61 is: 126,893,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,168,589.69 : 208,751,555.29 = 84,596,242.61 : x
  2. Step 2: Convert to fraction form
    139,168,589.69/208,751,555.29 = 84,596,242.61/x
  3. Step 3: Cross multiply
    139,168,589.69x = 208,751,555.29 × 84,596,242.61
  4. Step 4: Simplify right side
    139,168,589.69x = 17,659,597,216,527,668
  5. Step 5: Solve for x
    x = 17,659,597,216,527,668/139,168,589.69
  6. Step 6: Final answer
    x = 126,893,555.91

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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.