Home / 132,869,901.60-199,304,852.40-91,975,516.65

Finding the Fourth Proportional to 132,869,901.60, 199,304,852.40 and 91,975,516.65

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Solution

The fourth proportional to 132,869,901.60, 199,304,852.40 and 91,975,516.65 is: 137,963,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,869,901.60 : 199,304,852.40 = 91,975,516.65 : x
  2. Step 2: Convert to fraction form
    132,869,901.60/199,304,852.40 = 91,975,516.65/x
  3. Step 3: Cross multiply
    132,869,901.60x = 199,304,852.40 × 91,975,516.65
  4. Step 4: Simplify right side
    132,869,901.60x = 18,331,166,770,341,996
  5. Step 5: Solve for x
    x = 18,331,166,770,341,996/132,869,901.60
  6. Step 6: Final answer
    x = 137,963,274.98

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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.