Home / 104,976,003.60-157,464,005.40-78,102,147.60

Finding the Fourth Proportional to 104,976,003.60, 157,464,005.40 and 78,102,147.60

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Solution

The fourth proportional to 104,976,003.60, 157,464,005.40 and 78,102,147.60 is: 117,153,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,003.60 : 157,464,005.40 = 78,102,147.60 : x
  2. Step 2: Convert to fraction form
    104,976,003.60/157,464,005.40 = 78,102,147.60/x
  3. Step 3: Cross multiply
    104,976,003.60x = 157,464,005.40 × 78,102,147.60
  4. Step 4: Simplify right side
    104,976,003.60x = 12,298,276,991,437,996
  5. Step 5: Solve for x
    x = 12,298,276,991,437,996/104,976,003.60
  6. Step 6: Final answer
    x = 117,153,221.40

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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.