Home / 145,883,243.54-218,474,188.04-83,445,320.28

Finding the Fourth Proportional to 145,883,243.54, 218,474,188.04 and 83,445,320.28

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Solution

The fourth proportional to 145,883,243.54, 218,474,188.04 and 83,445,320.28 is: 124,967,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,883,243.54 : 218,474,188.04 = 83,445,320.28 : x
  2. Step 2: Convert to fraction form
    145,883,243.54/218,474,188.04 = 83,445,320.28/x
  3. Step 3: Cross multiply
    145,883,243.54x = 218,474,188.04 × 83,445,320.28
  4. Step 4: Simplify right side
    145,883,243.54x = 18,230,648,593,910,744
  5. Step 5: Solve for x
    x = 18,230,648,593,910,744/145,883,243.54
  6. Step 6: Final answer
    x = 124,967,392.77

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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.