Home / 65,447,999.40-98,171,999.10-47,308,146.60

Finding the Fourth Proportional to 65,447,999.40, 98,171,999.10 and 47,308,146.60

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Solution

The fourth proportional to 65,447,999.40, 98,171,999.10 and 47,308,146.60 is: 70,962,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,447,999.40 : 98,171,999.10 = 47,308,146.60 : x
  2. Step 2: Convert to fraction form
    65,447,999.40/98,171,999.10 = 47,308,146.60/x
  3. Step 3: Cross multiply
    65,447,999.40x = 98,171,999.10 × 47,308,146.60
  4. Step 4: Simplify right side
    65,447,999.40x = 4,644,335,325,437,868
  5. Step 5: Solve for x
    x = 4,644,335,325,437,868/65,447,999.40
  6. Step 6: Final answer
    x = 70,962,219.90

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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.