Home / 140,604,038.44-193,991,601.01-90,965,808.79

Finding the Fourth Proportional to 140,604,038.44, 193,991,601.01 and 90,965,808.79

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Solution

The fourth proportional to 140,604,038.44, 193,991,601.01 and 90,965,808.79 is: 125,505,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,604,038.44 : 193,991,601.01 = 90,965,808.79 : x
  2. Step 2: Convert to fraction form
    140,604,038.44/193,991,601.01 = 90,965,808.79/x
  3. Step 3: Cross multiply
    140,604,038.44x = 193,991,601.01 × 90,965,808.79
  4. Step 4: Simplify right side
    140,604,038.44x = 17,646,602,883,629,236
  5. Step 5: Solve for x
    x = 17,646,602,883,629,236/140,604,038.44
  6. Step 6: Final answer
    x = 125,505,661.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.