Home / 119,839,128.70-179,815,555.06-83,007,654.08

Finding the Fourth Proportional to 119,839,128.70, 179,815,555.06 and 83,007,654.08

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Solution

The fourth proportional to 119,839,128.70, 179,815,555.06 and 83,007,654.08 is: 124,550,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,839,128.70 : 179,815,555.06 = 83,007,654.08 : x
  2. Step 2: Convert to fraction form
    119,839,128.70/179,815,555.06 = 83,007,654.08/x
  3. Step 3: Cross multiply
    119,839,128.70x = 179,815,555.06 × 83,007,654.08
  4. Step 4: Simplify right side
    119,839,128.70x = 14,926,067,392,623,674
  5. Step 5: Solve for x
    x = 14,926,067,392,623,674/119,839,128.70
  6. Step 6: Final answer
    x = 124,550,867.10

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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.