Home / 131,978,252,980-182,129,979,012.24-71,831,653,317.28

Finding the Fourth Proportional to 131,978,252,980, 182,129,979,012.24 and 71,831,653,317.28

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Solution

The fourth proportional to 131,978,252,980, 182,129,979,012.24 and 71,831,653,317.28 is: 99,127,676,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,978,252,980 : 182,129,979,012.24 = 71,831,653,317.28 : x
  2. Step 2: Convert to fraction form
    131,978,252,980/182,129,979,012.24 = 71,831,653,317.28/x
  3. Step 3: Cross multiply
    131,978,252,980x = 182,129,979,012.24 × 71,831,653,317.28
  4. Step 4: Simplify right side
    131,978,252,980x = 13,082,697,511,090,704,613,376
  5. Step 5: Solve for x
    x = 13,082,697,511,090,704,613,376/131,978,252,980
  6. Step 6: Final answer
    x = 99,127,676,080.64

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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.