Home / 21,071,027,427.07-31,593,919,096.55-6,706,531,165.83

Finding the Fourth Proportional to 21,071,027,427.07, 31,593,919,096.55 and 6,706,531,165.83

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Solution

The fourth proportional to 21,071,027,427.07, 31,593,919,096.55 and 6,706,531,165.83 is: 10,055,779,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,027,427.07 : 31,593,919,096.55 = 6,706,531,165.83 : x
  2. Step 2: Convert to fraction form
    21,071,027,427.07/31,593,919,096.55 = 6,706,531,165.83/x
  3. Step 3: Cross multiply
    21,071,027,427.07x = 31,593,919,096.55 × 6,706,531,165.83
  4. Step 4: Simplify right side
    21,071,027,427.07x = 211,885,603,071,758,139,392
  5. Step 5: Solve for x
    x = 211,885,603,071,758,139,392/21,071,027,427.07
  6. Step 6: Final answer
    x = 10,055,779,377.88

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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.