Home / 190,203,292.50-285,402,558.17-90,605,727.10

Finding the Fourth Proportional to 190,203,292.50, 285,402,558.17 and 90,605,727.10

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Solution

The fourth proportional to 190,203,292.50, 285,402,558.17 and 90,605,727.10 is: 135,955,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203,292.50 : 285,402,558.17 = 90,605,727.10 : x
  2. Step 2: Convert to fraction form
    190,203,292.50/285,402,558.17 = 90,605,727.10/x
  3. Step 3: Cross multiply
    190,203,292.50x = 285,402,558.17 × 90,605,727.10
  4. Step 4: Simplify right side
    190,203,292.50x = 25,859,106,299,192,896
  5. Step 5: Solve for x
    x = 25,859,106,299,192,896/190,203,292.50
  6. Step 6: Final answer
    x = 135,955,092.89

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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.