Home / 112,731,018,665.02-155,569,420,771.08-66,383,468,012.86

Finding the Fourth Proportional to 112,731,018,665.02, 155,569,420,771.08 and 66,383,468,012.86

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Solution

The fourth proportional to 112,731,018,665.02, 155,569,420,771.08 and 66,383,468,012.86 is: 91,609,548,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731,018,665.02 : 155,569,420,771.08 = 66,383,468,012.86 : x
  2. Step 2: Convert to fraction form
    112,731,018,665.02/155,569,420,771.08 = 66,383,468,012.86/x
  3. Step 3: Cross multiply
    112,731,018,665.02x = 155,569,420,771.08 × 66,383,468,012.86
  4. Step 4: Simplify right side
    112,731,018,665.02x = 10,327,237,667,536,456,646,656
  5. Step 5: Solve for x
    x = 10,327,237,667,536,456,646,656/112,731,018,665.02
  6. Step 6: Final answer
    x = 91,609,548,018.22

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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.