Home / 300,303,542.55-450,455,313.83-127,785,984.15

Finding the Fourth Proportional to 300,303,542.55, 450,455,313.83 and 127,785,984.15

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Solution

The fourth proportional to 300,303,542.55, 450,455,313.83 and 127,785,984.15 is: 191,678,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,303,542.55 : 450,455,313.83 = 127,785,984.15 : x
  2. Step 2: Convert to fraction form
    300,303,542.55/450,455,313.83 = 127,785,984.15/x
  3. Step 3: Cross multiply
    300,303,542.55x = 450,455,313.83 × 127,785,984.15
  4. Step 4: Simplify right side
    300,303,542.55x = 57,561,875,592,724,728
  5. Step 5: Solve for x
    x = 57,561,875,592,724,728/300,303,542.55
  6. Step 6: Final answer
    x = 191,678,976.23

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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.