Home / 139,258,120.05-192,167,781.35-77,376,342.69

Finding the Fourth Proportional to 139,258,120.05, 192,167,781.35 and 77,376,342.69

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Solution

The fourth proportional to 139,258,120.05, 192,167,781.35 and 77,376,342.69 is: 106,774,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,258,120.05 : 192,167,781.35 = 77,376,342.69 : x
  2. Step 2: Convert to fraction form
    139,258,120.05/192,167,781.35 = 77,376,342.69/x
  3. Step 3: Cross multiply
    139,258,120.05x = 192,167,781.35 × 77,376,342.69
  4. Step 4: Simplify right side
    139,258,120.05x = 14,869,240,103,327,708
  5. Step 5: Solve for x
    x = 14,869,240,103,327,708/139,258,120.05
  6. Step 6: Final answer
    x = 106,774,672.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.