Home / 84,071,251.80-126,106,877.70-61,113,000.60

Finding the Fourth Proportional to 84,071,251.80, 126,106,877.70 and 61,113,000.60

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Solution

The fourth proportional to 84,071,251.80, 126,106,877.70 and 61,113,000.60 is: 91,669,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071,251.80 : 126,106,877.70 = 61,113,000.60 : x
  2. Step 2: Convert to fraction form
    84,071,251.80/126,106,877.70 = 61,113,000.60/x
  3. Step 3: Cross multiply
    84,071,251.80x = 126,106,877.70 × 61,113,000.60
  4. Step 4: Simplify right side
    84,071,251.80x = 7,706,769,692,544,227
  5. Step 5: Solve for x
    x = 7,706,769,692,544,227/84,071,251.80
  6. Step 6: Final answer
    x = 91,669,500.90

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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.