Home / 293,817,999.20-440,726,998.80-157,769,103.20

Finding the Fourth Proportional to 293,817,999.20, 440,726,998.80 and 157,769,103.20

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Solution

The fourth proportional to 293,817,999.20, 440,726,998.80 and 157,769,103.20 is: 236,653,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,817,999.20 : 440,726,998.80 = 157,769,103.20 : x
  2. Step 2: Convert to fraction form
    293,817,999.20/440,726,998.80 = 157,769,103.20/x
  3. Step 3: Cross multiply
    293,817,999.20x = 440,726,998.80 × 157,769,103.20
  4. Step 4: Simplify right side
    293,817,999.20x = 69,533,103,356,703,472
  5. Step 5: Solve for x
    x = 69,533,103,356,703,472/293,817,999.20
  6. Step 6: Final answer
    x = 236,653,654.80

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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.