Home / 145,883,261.72-218,474,215.19-83,445,338.43

Finding the Fourth Proportional to 145,883,261.72, 218,474,215.19 and 83,445,338.43

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Solution

The fourth proportional to 145,883,261.72, 218,474,215.19 and 83,445,338.43 is: 124,967,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,883,261.72 : 218,474,215.19 = 83,445,338.43 : x
  2. Step 2: Convert to fraction form
    145,883,261.72/218,474,215.19 = 83,445,338.43/x
  3. Step 3: Cross multiply
    145,883,261.72x = 218,474,215.19 × 83,445,338.43
  4. Step 4: Simplify right side
    145,883,261.72x = 18,230,654,824,758,200
  5. Step 5: Solve for x
    x = 18,230,654,824,758,200/145,883,261.72
  6. Step 6: Final answer
    x = 124,967,419.91

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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.