Home / 98,129,530.60-147,194,295.90-78,997,654.60

Finding the Fourth Proportional to 98,129,530.60, 147,194,295.90 and 78,997,654.60

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Solution

The fourth proportional to 98,129,530.60, 147,194,295.90 and 78,997,654.60 is: 118,496,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,129,530.60 : 147,194,295.90 = 78,997,654.60 : x
  2. Step 2: Convert to fraction form
    98,129,530.60/147,194,295.90 = 78,997,654.60/x
  3. Step 3: Cross multiply
    98,129,530.60x = 147,194,295.90 × 78,997,654.60
  4. Step 4: Simplify right side
    98,129,530.60x = 11,628,004,146,598,396
  5. Step 5: Solve for x
    x = 11,628,004,146,598,396/98,129,530.60
  6. Step 6: Final answer
    x = 118,496,481.90

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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.