Home / 136,664,657.60-205,014,968.40-50,463,615.20

Finding the Fourth Proportional to 136,664,657.60, 205,014,968.40 and 50,463,615.20

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Solution

The fourth proportional to 136,664,657.60, 205,014,968.40 and 50,463,615.20 is: 75,702,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,664,657.60 : 205,014,968.40 = 50,463,615.20 : x
  2. Step 2: Convert to fraction form
    136,664,657.60/205,014,968.40 = 50,463,615.20/x
  3. Step 3: Cross multiply
    136,664,657.60x = 205,014,968.40 × 50,463,615.20
  4. Step 4: Simplify right side
    136,664,657.60x = 10,345,796,475,577,760
  5. Step 5: Solve for x
    x = 10,345,796,475,577,760/136,664,657.60
  6. Step 6: Final answer
    x = 75,702,062.68

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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.