Home / 47,105,712.24-70,616,691.60-18,345,202.80

Finding the Fourth Proportional to 47,105,712.24, 70,616,691.60 and 18,345,202.80

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Solution

The fourth proportional to 47,105,712.24, 70,616,691.60 and 18,345,202.80 is: 27,501,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,105,712.24 : 70,616,691.60 = 18,345,202.80 : x
  2. Step 2: Convert to fraction form
    47,105,712.24/70,616,691.60 = 18,345,202.80/x
  3. Step 3: Cross multiply
    47,105,712.24x = 70,616,691.60 × 18,345,202.80
  4. Step 4: Simplify right side
    47,105,712.24x = 1,295,477,528,467,056.50
  5. Step 5: Solve for x
    x = 1,295,477,528,467,056.50/47,105,712.24
  6. Step 6: Final answer
    x = 27,501,495.40

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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.