Home / 104,958,489.60-157,437,734.40-78,084,633.60

Finding the Fourth Proportional to 104,958,489.60, 157,437,734.40 and 78,084,633.60

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Solution

The fourth proportional to 104,958,489.60, 157,437,734.40 and 78,084,633.60 is: 117,126,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,958,489.60 : 157,437,734.40 = 78,084,633.60 : x
  2. Step 2: Convert to fraction form
    104,958,489.60/157,437,734.40 = 78,084,633.60/x
  3. Step 3: Cross multiply
    104,958,489.60x = 157,437,734.40 × 78,084,633.60
  4. Step 4: Simplify right side
    104,958,489.60x = 12,293,467,805,438,116
  5. Step 5: Solve for x
    x = 12,293,467,805,438,116/104,958,489.60
  6. Step 6: Final answer
    x = 117,126,950.40

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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.