Home / 293,791,858.95-405,432,746.82-161,630,020.22

Finding the Fourth Proportional to 293,791,858.95, 405,432,746.82 and 161,630,020.22

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Solution

The fourth proportional to 293,791,858.95, 405,432,746.82 and 161,630,020.22 is: 223,049,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,791,858.95 : 405,432,746.82 = 161,630,020.22 : x
  2. Step 2: Convert to fraction form
    293,791,858.95/405,432,746.82 = 161,630,020.22/x
  3. Step 3: Cross multiply
    293,791,858.95x = 405,432,746.82 × 161,630,020.22
  4. Step 4: Simplify right side
    293,791,858.95x = 65,530,103,064,339,576
  5. Step 5: Solve for x
    x = 65,530,103,064,339,576/293,791,858.95
  6. Step 6: Final answer
    x = 223,049,417.70

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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.