Home / 114,003,932.58-157,342,236.84-72,191,815.38

Finding the Fourth Proportional to 114,003,932.58, 157,342,236.84 and 72,191,815.38

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Solution

The fourth proportional to 114,003,932.58, 157,342,236.84 and 72,191,815.38 is: 99,635,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,003,932.58 : 157,342,236.84 = 72,191,815.38 : x
  2. Step 2: Convert to fraction form
    114,003,932.58/157,342,236.84 = 72,191,815.38/x
  3. Step 3: Cross multiply
    114,003,932.58x = 157,342,236.84 × 72,191,815.38
  4. Step 4: Simplify right side
    114,003,932.58x = 11,358,821,713,429,514
  5. Step 5: Solve for x
    x = 11,358,821,713,429,514/114,003,932.58
  6. Step 6: Final answer
    x = 99,635,349.91

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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.