Home / 190,203,292-285,402,557.42-90,605,726.60

Finding the Fourth Proportional to 190,203,292, 285,402,557.42 and 90,605,726.60

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Solution

The fourth proportional to 190,203,292, 285,402,557.42 and 90,605,726.60 is: 135,955,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203,292 : 285,402,557.42 = 90,605,726.60 : x
  2. Step 2: Convert to fraction form
    190,203,292/285,402,557.42 = 90,605,726.60/x
  3. Step 3: Cross multiply
    190,203,292x = 285,402,557.42 × 90,605,726.60
  4. Step 4: Simplify right side
    190,203,292x = 25,859,106,088,537,320
  5. Step 5: Solve for x
    x = 25,859,106,088,537,320/190,203,292
  6. Step 6: Final answer
    x = 135,955,092.14

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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.