Home / 129,964,698.54-194,945,546.07-31,596,962.31

Finding the Fourth Proportional to 129,964,698.54, 194,945,546.07 and 31,596,962.31

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Solution

The fourth proportional to 129,964,698.54, 194,945,546.07 and 31,596,962.31 is: 47,395,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,964,698.54 : 194,945,546.07 = 31,596,962.31 : x
  2. Step 2: Convert to fraction form
    129,964,698.54/194,945,546.07 = 31,596,962.31/x
  3. Step 3: Cross multiply
    129,964,698.54x = 194,945,546.07 × 31,596,962.31
  4. Step 4: Simplify right side
    129,964,698.54x = 6,159,687,071,676,158
  5. Step 5: Solve for x
    x = 6,159,687,071,676,158/129,964,698.54
  6. Step 6: Final answer
    x = 47,395,078.36

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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.