Home / 77,276,739.60-115,915,109.40-41,444,931.60

Finding the Fourth Proportional to 77,276,739.60, 115,915,109.40 and 41,444,931.60

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Solution

The fourth proportional to 77,276,739.60, 115,915,109.40 and 41,444,931.60 is: 62,167,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276,739.60 : 115,915,109.40 = 41,444,931.60 : x
  2. Step 2: Convert to fraction form
    77,276,739.60/115,915,109.40 = 41,444,931.60/x
  3. Step 3: Cross multiply
    77,276,739.60x = 115,915,109.40 × 41,444,931.60
  4. Step 4: Simplify right side
    77,276,739.60x = 4,804,093,780,489,517
  5. Step 5: Solve for x
    x = 4,804,093,780,489,517/77,276,739.60
  6. Step 6: Final answer
    x = 62,167,397.40

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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.