Home / 41,149,968.30-61,724,952.45-20,742,633.90

Finding the Fourth Proportional to 41,149,968.30, 61,724,952.45 and 20,742,633.90

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Solution

The fourth proportional to 41,149,968.30, 61,724,952.45 and 20,742,633.90 is: 31,113,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,149,968.30 : 61,724,952.45 = 20,742,633.90 : x
  2. Step 2: Convert to fraction form
    41,149,968.30/61,724,952.45 = 20,742,633.90/x
  3. Step 3: Cross multiply
    41,149,968.30x = 61,724,952.45 × 20,742,633.90
  4. Step 4: Simplify right side
    41,149,968.30x = 1,280,338,091,165,258
  5. Step 5: Solve for x
    x = 1,280,338,091,165,258/41,149,968.30
  6. Step 6: Final answer
    x = 31,113,950.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.