Home / 142,980,152.56-197,296,822.53-80,241,860.79

Finding the Fourth Proportional to 142,980,152.56, 197,296,822.53 and 80,241,860.79

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Solution

The fourth proportional to 142,980,152.56, 197,296,822.53 and 80,241,860.79 is: 110,724,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,980,152.56 : 197,296,822.53 = 80,241,860.79 : x
  2. Step 2: Convert to fraction form
    142,980,152.56/197,296,822.53 = 80,241,860.79/x
  3. Step 3: Cross multiply
    142,980,152.56x = 197,296,822.53 × 80,241,860.79
  4. Step 4: Simplify right side
    142,980,152.56x = 15,831,464,167,761,596
  5. Step 5: Solve for x
    x = 15,831,464,167,761,596/142,980,152.56
  6. Step 6: Final answer
    x = 110,724,907.51

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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.