Home / 185,186,847.96-277,723,541.16-128,046,311.64

Finding the Fourth Proportional to 185,186,847.96, 277,723,541.16 and 128,046,311.64

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Solution

The fourth proportional to 185,186,847.96, 277,723,541.16 and 128,046,311.64 is: 192,030,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,186,847.96 : 277,723,541.16 = 128,046,311.64 : x
  2. Step 2: Convert to fraction form
    185,186,847.96/277,723,541.16 = 128,046,311.64/x
  3. Step 3: Cross multiply
    185,186,847.96x = 277,723,541.16 × 128,046,311.64
  4. Step 4: Simplify right side
    185,186,847.96x = 35,561,475,101,137,732
  5. Step 5: Solve for x
    x = 35,561,475,101,137,732/185,186,847.96
  6. Step 6: Final answer
    x = 192,030,241.31

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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.