Home / 72,322,139.52-108,520,300.80-35,433,326.88

Finding the Fourth Proportional to 72,322,139.52, 108,520,300.80 and 35,433,326.88

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Solution

The fourth proportional to 72,322,139.52, 108,520,300.80 and 35,433,326.88 is: 53,168,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,322,139.52 : 108,520,300.80 = 35,433,326.88 : x
  2. Step 2: Convert to fraction form
    72,322,139.52/108,520,300.80 = 35,433,326.88/x
  3. Step 3: Cross multiply
    72,322,139.52x = 108,520,300.80 × 35,433,326.88
  4. Step 4: Simplify right side
    72,322,139.52x = 3,845,235,291,362,325.50
  5. Step 5: Solve for x
    x = 3,845,235,291,362,325.50/72,322,139.52
  6. Step 6: Final answer
    x = 53,168,162.85

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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.