Home / 88,979,803.80-133,469,705.70-69,869,506.20

Finding the Fourth Proportional to 88,979,803.80, 133,469,705.70 and 69,869,506.20

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Solution

The fourth proportional to 88,979,803.80, 133,469,705.70 and 69,869,506.20 is: 104,804,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979,803.80 : 133,469,705.70 = 69,869,506.20 : x
  2. Step 2: Convert to fraction form
    88,979,803.80/133,469,705.70 = 69,869,506.20/x
  3. Step 3: Cross multiply
    88,979,803.80x = 133,469,705.70 × 69,869,506.20
  4. Step 4: Simplify right side
    88,979,803.80x = 9,325,462,429,918,326
  5. Step 5: Solve for x
    x = 9,325,462,429,918,326/88,979,803.80
  6. Step 6: Final answer
    x = 104,804,259.30

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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.