Home / 128,760,451.53-193,225,759.70-60,622,629.45

Finding the Fourth Proportional to 128,760,451.53, 193,225,759.70 and 60,622,629.45

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Solution

The fourth proportional to 128,760,451.53, 193,225,759.70 and 60,622,629.45 is: 90,974,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,760,451.53 : 193,225,759.70 = 60,622,629.45 : x
  2. Step 2: Convert to fraction form
    128,760,451.53/193,225,759.70 = 60,622,629.45/x
  3. Step 3: Cross multiply
    128,760,451.53x = 193,225,759.70 × 60,622,629.45
  4. Step 4: Simplify right side
    128,760,451.53x = 11,713,853,630,184,730
  5. Step 5: Solve for x
    x = 11,713,853,630,184,730/128,760,451.53
  6. Step 6: Final answer
    x = 90,974,002.43

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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.