Home / 66,497,089.20-99,577,672.20-43,654,311.60

Finding the Fourth Proportional to 66,497,089.20, 99,577,672.20 and 43,654,311.60

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Solution

The fourth proportional to 66,497,089.20, 99,577,672.20 and 43,654,311.60 is: 65,371,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497,089.20 : 99,577,672.20 = 43,654,311.60 : x
  2. Step 2: Convert to fraction form
    66,497,089.20/99,577,672.20 = 43,654,311.60/x
  3. Step 3: Cross multiply
    66,497,089.20x = 99,577,672.20 × 43,654,311.60
  4. Step 4: Simplify right side
    66,497,089.20x = 4,346,994,730,621,458
  5. Step 5: Solve for x
    x = 4,346,994,730,621,458/66,497,089.20
  6. Step 6: Final answer
    x = 65,371,203.20

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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.