Home / 131,259,654,465.66-181,135,961,978.82-74,165,739,139.08

Finding the Fourth Proportional to 131,259,654,465.66, 181,135,961,978.82 and 74,165,739,139.08

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Solution

The fourth proportional to 131,259,654,465.66, 181,135,961,978.82 and 74,165,739,139.08 is: 102,347,385,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259,654,465.66 : 181,135,961,978.82 = 74,165,739,139.08 : x
  2. Step 2: Convert to fraction form
    131,259,654,465.66/181,135,961,978.82 = 74,165,739,139.08/x
  3. Step 3: Cross multiply
    131,259,654,465.66x = 181,135,961,978.82 × 74,165,739,139.08
  4. Step 4: Simplify right side
    131,259,654,465.66x = 13,434,082,504,827,478,212,608
  5. Step 5: Solve for x
    x = 13,434,082,504,827,478,212,608/131,259,654,465.66
  6. Step 6: Final answer
    x = 102,347,385,870.52

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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.