Home / 139,956,776,611.22-193,140,226,927.14-79,001,974,072.82

Finding the Fourth Proportional to 139,956,776,611.22, 193,140,226,927.14 and 79,001,974,072.82

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Solution

The fourth proportional to 139,956,776,611.22, 193,140,226,927.14 and 79,001,974,072.82 is: 109,022,653,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,956,776,611.22 : 193,140,226,927.14 = 79,001,974,072.82 : x
  2. Step 2: Convert to fraction form
    139,956,776,611.22/193,140,226,927.14 = 79,001,974,072.82/x
  3. Step 3: Cross multiply
    139,956,776,611.22x = 193,140,226,927.14 × 79,001,974,072.82
  4. Step 4: Simplify right side
    139,956,776,611.22x = 15,258,459,200,116,488,142,848
  5. Step 5: Solve for x
    x = 15,258,459,200,116,488,142,848/139,956,776,611.22
  6. Step 6: Final answer
    x = 109,022,653,776.19

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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.