Home / 293,807,892.47-405,458,109.68-159,846,570.21

Finding the Fourth Proportional to 293,807,892.47, 405,458,109.68 and 159,846,570.21

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Solution

The fourth proportional to 293,807,892.47, 405,458,109.68 and 159,846,570.21 is: 220,590,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,807,892.47 : 405,458,109.68 = 159,846,570.21 : x
  2. Step 2: Convert to fraction form
    293,807,892.47/405,458,109.68 = 159,846,570.21/x
  3. Step 3: Cross multiply
    293,807,892.47x = 405,458,109.68 × 159,846,570.21
  4. Step 4: Simplify right side
    293,807,892.47x = 64,811,088,195,378,776
  5. Step 5: Solve for x
    x = 64,811,088,195,378,776/293,807,892.47
  6. Step 6: Final answer
    x = 220,590,017.68

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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.