Home / 77,654,795.58-107,165,860.92-42,849,727.38

Finding the Fourth Proportional to 77,654,795.58, 107,165,860.92 and 42,849,727.38

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Solution

The fourth proportional to 77,654,795.58, 107,165,860.92 and 42,849,727.38 is: 59,133,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,654,795.58 : 107,165,860.92 = 42,849,727.38 : x
  2. Step 2: Convert to fraction form
    77,654,795.58/107,165,860.92 = 42,849,727.38/x
  3. Step 3: Cross multiply
    77,654,795.58x = 107,165,860.92 × 42,849,727.38
  4. Step 4: Simplify right side
    77,654,795.58x = 4,592,027,924,864,996
  5. Step 5: Solve for x
    x = 4,592,027,924,864,996/77,654,795.58
  6. Step 6: Final answer
    x = 59,133,861.48

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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.