Home / 57,650,531.02-86,476,798.86-21,240,179.62

Finding the Fourth Proportional to 57,650,531.02, 86,476,798.86 and 21,240,179.62

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Solution

The fourth proportional to 57,650,531.02, 86,476,798.86 and 21,240,179.62 is: 31,860,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,650,531.02 : 86,476,798.86 = 21,240,179.62 : x
  2. Step 2: Convert to fraction form
    57,650,531.02/86,476,798.86 = 21,240,179.62/x
  3. Step 3: Cross multiply
    57,650,531.02x = 86,476,798.86 × 21,240,179.62
  4. Step 4: Simplify right side
    57,650,531.02x = 1,836,782,740,749,011.25
  5. Step 5: Solve for x
    x = 1,836,782,740,749,011.25/57,650,531.02
  6. Step 6: Final answer
    x = 31,860,638.72

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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.