Home / 139,956,776,612.22-193,140,226,928.52-79,001,974,073.82

Finding the Fourth Proportional to 139,956,776,612.22, 193,140,226,928.52 and 79,001,974,073.82

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Solution

The fourth proportional to 139,956,776,612.22, 193,140,226,928.52 and 79,001,974,073.82 is: 109,022,653,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,956,776,612.22 : 193,140,226,928.52 = 79,001,974,073.82 : x
  2. Step 2: Convert to fraction form
    139,956,776,612.22/193,140,226,928.52 = 79,001,974,073.82/x
  3. Step 3: Cross multiply
    139,956,776,612.22x = 193,140,226,928.52 × 79,001,974,073.82
  4. Step 4: Simplify right side
    139,956,776,612.22x = 15,258,459,200,418,649,997,312
  5. Step 5: Solve for x
    x = 15,258,459,200,418,649,997,312/139,956,776,612.22
  6. Step 6: Final answer
    x = 109,022,653,777.57

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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.