Home / 76,926,954.08-106,159,177.94-42,119,635.30

Finding the Fourth Proportional to 76,926,954.08, 106,159,177.94 and 42,119,635.30

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Solution

The fourth proportional to 76,926,954.08, 106,159,177.94 and 42,119,635.30 is: 58,125,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,926,954.08 : 106,159,177.94 = 42,119,635.30 : x
  2. Step 2: Convert to fraction form
    76,926,954.08/106,159,177.94 = 42,119,635.30/x
  3. Step 3: Cross multiply
    76,926,954.08x = 106,159,177.94 × 42,119,635.30
  4. Step 4: Simplify right side
    76,926,954.08x = 4,471,385,858,104,609
  5. Step 5: Solve for x
    x = 4,471,385,858,104,609/76,926,954.08
  6. Step 6: Final answer
    x = 58,125,086.47

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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.