Home / 131,978,252,981-182,129,979,013.62-71,831,653,318.28

Finding the Fourth Proportional to 131,978,252,981, 182,129,979,013.62 and 71,831,653,318.28

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Solution

The fourth proportional to 131,978,252,981, 182,129,979,013.62 and 71,831,653,318.28 is: 99,127,676,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,978,252,981 : 182,129,979,013.62 = 71,831,653,318.28 : x
  2. Step 2: Convert to fraction form
    131,978,252,981/182,129,979,013.62 = 71,831,653,318.28/x
  3. Step 3: Cross multiply
    131,978,252,981x = 182,129,979,013.62 × 71,831,653,318.28
  4. Step 4: Simplify right side
    131,978,252,981x = 13,082,697,511,371,964,153,856
  5. Step 5: Solve for x
    x = 13,082,697,511,371,964,153,856/131,978,252,981
  6. Step 6: Final answer
    x = 99,127,676,082.02

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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.