Home / 84,745,219.30-127,156,923.51-38,701,203.46

Finding the Fourth Proportional to 84,745,219.30, 127,156,923.51 and 38,701,203.46

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Solution

The fourth proportional to 84,745,219.30, 127,156,923.51 and 38,701,203.46 is: 58,069,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,219.30 : 127,156,923.51 = 38,701,203.46 : x
  2. Step 2: Convert to fraction form
    84,745,219.30/127,156,923.51 = 38,701,203.46/x
  3. Step 3: Cross multiply
    84,745,219.30x = 127,156,923.51 × 38,701,203.46
  4. Step 4: Simplify right side
    84,745,219.30x = 4,921,125,968,108,168
  5. Step 5: Solve for x
    x = 4,921,125,968,108,168/84,745,219.30
  6. Step 6: Final answer
    x = 58,069,658.78

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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.