Home / 69,379,748.60-104,069,622.90-65,128,220.60

Finding the Fourth Proportional to 69,379,748.60, 104,069,622.90 and 65,128,220.60

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Solution

The fourth proportional to 69,379,748.60, 104,069,622.90 and 65,128,220.60 is: 97,692,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,379,748.60 : 104,069,622.90 = 65,128,220.60 : x
  2. Step 2: Convert to fraction form
    69,379,748.60/104,069,622.90 = 65,128,220.60/x
  3. Step 3: Cross multiply
    69,379,748.60x = 104,069,622.90 × 65,128,220.60
  4. Step 4: Simplify right side
    69,379,748.60x = 6,777,869,357,990,012
  5. Step 5: Solve for x
    x = 6,777,869,357,990,012/69,379,748.60
  6. Step 6: Final answer
    x = 97,692,330.90

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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.