Home / 61,041,945.10-91,562,917.65-20,652,429.10

Finding the Fourth Proportional to 61,041,945.10, 91,562,917.65 and 20,652,429.10

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Solution

The fourth proportional to 61,041,945.10, 91,562,917.65 and 20,652,429.10 is: 30,978,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,041,945.10 : 91,562,917.65 = 20,652,429.10 : x
  2. Step 2: Convert to fraction form
    61,041,945.10/91,562,917.65 = 20,652,429.10/x
  3. Step 3: Cross multiply
    61,041,945.10x = 91,562,917.65 × 20,652,429.10
  4. Step 4: Simplify right side
    61,041,945.10x = 1,890,996,664,955,763.75
  5. Step 5: Solve for x
    x = 1,890,996,664,955,763.75/61,041,945.10
  6. Step 6: Final answer
    x = 30,978,643.65

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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.