Home / 131,914,390,437.54-197,781,252,450.03-67,176,764,744.31

Finding the Fourth Proportional to 131,914,390,437.54, 197,781,252,450.03 and 67,176,764,744.31

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Solution

The fourth proportional to 131,914,390,437.54, 197,781,252,450.03 and 67,176,764,744.31 is: 100,719,145,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914,390,437.54 : 197,781,252,450.03 = 67,176,764,744.31 : x
  2. Step 2: Convert to fraction form
    131,914,390,437.54/197,781,252,450.03 = 67,176,764,744.31/x
  3. Step 3: Cross multiply
    131,914,390,437.54x = 197,781,252,450.03 × 67,176,764,744.31
  4. Step 4: Simplify right side
    131,914,390,437.54x = 13,286,304,666,670,650,621,952
  5. Step 5: Solve for x
    x = 13,286,304,666,670,650,621,952/131,914,390,437.54
  6. Step 6: Final answer
    x = 100,719,145,368.46

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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.