Home / 47,305,127.80-70,824,981.30-45,978,023.80

Finding the Fourth Proportional to 47,305,127.80, 70,824,981.30 and 45,978,023.80

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Solution

The fourth proportional to 47,305,127.80, 70,824,981.30 and 45,978,023.80 is: 68,838,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,305,127.80 : 70,824,981.30 = 45,978,023.80 : x
  2. Step 2: Convert to fraction form
    47,305,127.80/70,824,981.30 = 45,978,023.80/x
  3. Step 3: Cross multiply
    47,305,127.80x = 70,824,981.30 × 45,978,023.80
  4. Step 4: Simplify right side
    47,305,127.80x = 3,256,392,675,845,954.50
  5. Step 5: Solve for x
    x = 3,256,392,675,845,954.50/47,305,127.80
  6. Step 6: Final answer
    x = 68,838,048.37

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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.