Home / 104,976,129.60-157,464,194.40-77,766,350.40

Finding the Fourth Proportional to 104,976,129.60, 157,464,194.40 and 77,766,350.40

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Solution

The fourth proportional to 104,976,129.60, 157,464,194.40 and 77,766,350.40 is: 116,649,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,129.60 : 157,464,194.40 = 77,766,350.40 : x
  2. Step 2: Convert to fraction form
    104,976,129.60/157,464,194.40 = 77,766,350.40/x
  3. Step 3: Cross multiply
    104,976,129.60x = 157,464,194.40 × 77,766,350.40
  4. Step 4: Simplify right side
    104,976,129.60x = 12,245,415,717,164,120
  5. Step 5: Solve for x
    x = 12,245,415,717,164,120/104,976,129.60
  6. Step 6: Final answer
    x = 116,649,525.60

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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.