Home / 102,831,513.30-141,907,757.85-55,788,584.40

Finding the Fourth Proportional to 102,831,513.30, 141,907,757.85 and 55,788,584.40

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Solution

The fourth proportional to 102,831,513.30, 141,907,757.85 and 55,788,584.40 is: 76,988,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,831,513.30 : 141,907,757.85 = 55,788,584.40 : x
  2. Step 2: Convert to fraction form
    102,831,513.30/141,907,757.85 = 55,788,584.40/x
  3. Step 3: Cross multiply
    102,831,513.30x = 141,907,757.85 × 55,788,584.40
  4. Step 4: Simplify right side
    102,831,513.30x = 7,916,832,925,829,487
  5. Step 5: Solve for x
    x = 7,916,832,925,829,487/102,831,513.30
  6. Step 6: Final answer
    x = 76,988,392.68

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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.