Home / 66,520,203.60-99,705,655.80-37,780,107.60

Finding the Fourth Proportional to 66,520,203.60, 99,705,655.80 and 37,780,107.60

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Solution

The fourth proportional to 66,520,203.60, 99,705,655.80 and 37,780,107.60 is: 56,627,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520,203.60 : 99,705,655.80 = 37,780,107.60 : x
  2. Step 2: Convert to fraction form
    66,520,203.60/99,705,655.80 = 37,780,107.60/x
  3. Step 3: Cross multiply
    66,520,203.60x = 99,705,655.80 × 37,780,107.60
  4. Step 4: Simplify right side
    66,520,203.60x = 3,766,890,404,452,564
  5. Step 5: Solve for x
    x = 3,766,890,404,452,564/66,520,203.60
  6. Step 6: Final answer
    x = 56,627,764.21

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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.