Home / 76,218,565.79-105,182,577.39-41,411,837.49

Finding the Fourth Proportional to 76,218,565.79, 105,182,577.39 and 41,411,837.49

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Solution

The fourth proportional to 76,218,565.79, 105,182,577.39 and 41,411,837.49 is: 57,148,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,218,565.79 : 105,182,577.39 = 41,411,837.49 : x
  2. Step 2: Convert to fraction form
    76,218,565.79/105,182,577.39 = 41,411,837.49/x
  3. Step 3: Cross multiply
    76,218,565.79x = 105,182,577.39 × 41,411,837.49
  4. Step 4: Simplify right side
    76,218,565.79x = 4,355,803,801,654,028.50
  5. Step 5: Solve for x
    x = 4,355,803,801,654,028.50/76,218,565.79
  6. Step 6: Final answer
    x = 57,148,855.49

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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.