Home / 292,583,324.88-438,948,226.71-85,321,759.59

Finding the Fourth Proportional to 292,583,324.88, 438,948,226.71 and 85,321,759.59

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Solution

The fourth proportional to 292,583,324.88, 438,948,226.71 and 85,321,759.59 is: 128,003,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,583,324.88 : 438,948,226.71 = 85,321,759.59 : x
  2. Step 2: Convert to fraction form
    292,583,324.88/438,948,226.71 = 85,321,759.59/x
  3. Step 3: Cross multiply
    292,583,324.88x = 438,948,226.71 × 85,321,759.59
  4. Step 4: Simplify right side
    292,583,324.88x = 37,451,835,071,807,440
  5. Step 5: Solve for x
    x = 37,451,835,071,807,440/292,583,324.88
  6. Step 6: Final answer
    x = 128,003,997.11

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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.