Home / 61,042,024.60-91,563,036.90-20,652,508.60

Finding the Fourth Proportional to 61,042,024.60, 91,563,036.90 and 20,652,508.60

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Solution

The fourth proportional to 61,042,024.60, 91,563,036.90 and 20,652,508.60 is: 30,978,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042,024.60 : 91,563,036.90 = 20,652,508.60 : x
  2. Step 2: Convert to fraction form
    61,042,024.60/91,563,036.90 = 20,652,508.60/x
  3. Step 3: Cross multiply
    61,042,024.60x = 91,563,036.90 × 20,652,508.60
  4. Step 4: Simplify right side
    61,042,024.60x = 1,891,006,407,019,367.50
  5. Step 5: Solve for x
    x = 1,891,006,407,019,367.50/61,042,024.60
  6. Step 6: Final answer
    x = 30,978,762.90

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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.