Home / 101,499,622.80-140,325,639.93-74,996,174.82

Finding the Fourth Proportional to 101,499,622.80, 140,325,639.93 and 74,996,174.82

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Solution

The fourth proportional to 101,499,622.80, 140,325,639.93 and 74,996,174.82 is: 103,683,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,622.80 : 140,325,639.93 = 74,996,174.82 : x
  2. Step 2: Convert to fraction form
    101,499,622.80/140,325,639.93 = 74,996,174.82/x
  3. Step 3: Cross multiply
    101,499,622.80x = 140,325,639.93 × 74,996,174.82
  4. Step 4: Simplify right side
    101,499,622.80x = 10,523,886,223,918,652
  5. Step 5: Solve for x
    x = 10,523,886,223,918,652/101,499,622.80
  6. Step 6: Final answer
    x = 103,683,993.43

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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.