Home / 199,392,010.40-299,088,015.60-91,896,586.40

Finding the Fourth Proportional to 199,392,010.40, 299,088,015.60 and 91,896,586.40

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Solution

The fourth proportional to 199,392,010.40, 299,088,015.60 and 91,896,586.40 is: 137,844,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392,010.40 : 299,088,015.60 = 91,896,586.40 : x
  2. Step 2: Convert to fraction form
    199,392,010.40/299,088,015.60 = 91,896,586.40/x
  3. Step 3: Cross multiply
    199,392,010.40x = 299,088,015.60 × 91,896,586.40
  4. Step 4: Simplify right side
    199,392,010.40x = 27,485,167,666,789,952
  5. Step 5: Solve for x
    x = 27,485,167,666,789,952/199,392,010.40
  6. Step 6: Final answer
    x = 137,844,879.60

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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.