Home / 123,705,769.84-170,703,798.55-67,948,308.73

Finding the Fourth Proportional to 123,705,769.84, 170,703,798.55 and 67,948,308.73

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Solution

The fourth proportional to 123,705,769.84, 170,703,798.55 and 67,948,308.73 is: 93,763,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,705,769.84 : 170,703,798.55 = 67,948,308.73 : x
  2. Step 2: Convert to fraction form
    123,705,769.84/170,703,798.55 = 67,948,308.73/x
  3. Step 3: Cross multiply
    123,705,769.84x = 170,703,798.55 × 67,948,308.73
  4. Step 4: Simplify right side
    123,705,769.84x = 11,599,034,405,259,128
  5. Step 5: Solve for x
    x = 11,599,034,405,259,128/123,705,769.84
  6. Step 6: Final answer
    x = 93,763,083.32

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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.