Home / 223,102,342.16-307,888,708.86-123,987,267.05

Finding the Fourth Proportional to 223,102,342.16, 307,888,708.86 and 123,987,267.05

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Solution

The fourth proportional to 223,102,342.16, 307,888,708.86 and 123,987,267.05 is: 171,106,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,102,342.16 : 307,888,708.86 = 123,987,267.05 : x
  2. Step 2: Convert to fraction form
    223,102,342.16/307,888,708.86 = 123,987,267.05/x
  3. Step 3: Cross multiply
    223,102,342.16x = 307,888,708.86 × 123,987,267.05
  4. Step 4: Simplify right side
    223,102,342.16x = 38,174,279,565,565,080
  5. Step 5: Solve for x
    x = 38,174,279,565,565,080/223,102,342.16
  6. Step 6: Final answer
    x = 171,106,583.63

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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.