Home / 154,321,449.13-213,140,343.92-101,633,678.98

Finding the Fourth Proportional to 154,321,449.13, 213,140,343.92 and 101,633,678.98

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Solution

The fourth proportional to 154,321,449.13, 213,140,343.92 and 101,633,678.98 is: 140,370,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,321,449.13 : 213,140,343.92 = 101,633,678.98 : x
  2. Step 2: Convert to fraction form
    154,321,449.13/213,140,343.92 = 101,633,678.98/x
  3. Step 3: Cross multiply
    154,321,449.13x = 213,140,343.92 × 101,633,678.98
  4. Step 4: Simplify right side
    154,321,449.13x = 21,662,237,291,183,256
  5. Step 5: Solve for x
    x = 21,662,237,291,183,256/154,321,449.13
  6. Step 6: Final answer
    x = 140,370,877.89

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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.