Home / 65,611,385.40-98,417,078.10-53,494,530.60

Finding the Fourth Proportional to 65,611,385.40, 98,417,078.10 and 53,494,530.60

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Solution

The fourth proportional to 65,611,385.40, 98,417,078.10 and 53,494,530.60 is: 80,241,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,611,385.40 : 98,417,078.10 = 53,494,530.60 : x
  2. Step 2: Convert to fraction form
    65,611,385.40/98,417,078.10 = 53,494,530.60/x
  3. Step 3: Cross multiply
    65,611,385.40x = 98,417,078.10 × 53,494,530.60
  4. Step 4: Simplify right side
    65,611,385.40x = 5,264,775,395,983,040
  5. Step 5: Solve for x
    x = 5,264,775,395,983,040/65,611,385.40
  6. Step 6: Final answer
    x = 80,241,795.90

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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.