Home / 84,727,292.72-127,133,862.60-38,664,057.20

Finding the Fourth Proportional to 84,727,292.72, 127,133,862.60 and 38,664,057.20

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Solution

The fourth proportional to 84,727,292.72, 127,133,862.60 and 38,664,057.20 is: 58,015,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,727,292.72 : 127,133,862.60 = 38,664,057.20 : x
  2. Step 2: Convert to fraction form
    84,727,292.72/127,133,862.60 = 38,664,057.20/x
  3. Step 3: Cross multiply
    84,727,292.72x = 127,133,862.60 × 38,664,057.20
  4. Step 4: Simplify right side
    84,727,292.72x = 4,915,510,935,623,341
  5. Step 5: Solve for x
    x = 4,915,510,935,623,341/84,727,292.72
  6. Step 6: Final answer
    x = 58,015,673.32

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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.