Home / 132,406,404.12-182,717,973.72-76,654,188.36

Finding the Fourth Proportional to 132,406,404.12, 182,717,973.72 and 76,654,188.36

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Solution

The fourth proportional to 132,406,404.12, 182,717,973.72 and 76,654,188.36 is: 105,781,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,406,404.12 : 182,717,973.72 = 76,654,188.36 : x
  2. Step 2: Convert to fraction form
    132,406,404.12/182,717,973.72 = 76,654,188.36/x
  3. Step 3: Cross multiply
    132,406,404.12x = 182,717,973.72 × 76,654,188.36
  4. Step 4: Simplify right side
    132,406,404.12x = 14,006,097,974,290,410
  5. Step 5: Solve for x
    x = 14,006,097,974,290,410/132,406,404.12
  6. Step 6: Final answer
    x = 105,781,121.90

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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.