Home / 190,052,881.20-262,272,976.08-103,132,753.20

Finding the Fourth Proportional to 190,052,881.20, 262,272,976.08 and 103,132,753.20

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Solution

The fourth proportional to 190,052,881.20, 262,272,976.08 and 103,132,753.20 is: 142,323,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,052,881.20 : 262,272,976.08 = 103,132,753.20 : x
  2. Step 2: Convert to fraction form
    190,052,881.20/262,272,976.08 = 103,132,753.20/x
  3. Step 3: Cross multiply
    190,052,881.20x = 262,272,976.08 × 103,132,753.20
  4. Step 4: Simplify right side
    190,052,881.20x = 27,048,934,113,088,144
  5. Step 5: Solve for x
    x = 27,048,934,113,088,144/190,052,881.20
  6. Step 6: Final answer
    x = 142,323,199.43

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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.