Home / 131,930,422.08-182,063,911.70-72,392,109.11

Finding the Fourth Proportional to 131,930,422.08, 182,063,911.70 and 72,392,109.11

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Solution

The fourth proportional to 131,930,422.08, 182,063,911.70 and 72,392,109.11 is: 99,901,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,930,422.08 : 182,063,911.70 = 72,392,109.11 : x
  2. Step 2: Convert to fraction form
    131,930,422.08/182,063,911.70 = 72,392,109.11/x
  3. Step 3: Cross multiply
    131,930,422.08x = 182,063,911.70 × 72,392,109.11
  4. Step 4: Simplify right side
    131,930,422.08x = 13,179,990,560,326,364
  5. Step 5: Solve for x
    x = 13,179,990,560,326,364/131,930,422.08
  6. Step 6: Final answer
    x = 99,901,071.74

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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.