Home / 293,849,193.81-405,499,729.60-159,887,661.43

Finding the Fourth Proportional to 293,849,193.81, 405,499,729.60 and 159,887,661.43

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Solution

The fourth proportional to 293,849,193.81, 405,499,729.60 and 159,887,661.43 is: 220,638,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,849,193.81 : 405,499,729.60 = 159,887,661.43 : x
  2. Step 2: Convert to fraction form
    293,849,193.81/405,499,729.60 = 159,887,661.43/x
  3. Step 3: Cross multiply
    293,849,193.81x = 405,499,729.60 × 159,887,661.43
  4. Step 4: Simplify right side
    293,849,193.81x = 64,834,403,473,414,424
  5. Step 5: Solve for x
    x = 64,834,403,473,414,424/293,849,193.81
  6. Step 6: Final answer
    x = 220,638,357.50

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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.