Home / 165,890,267.20-248,835,400.80-97,697,857.60

Finding the Fourth Proportional to 165,890,267.20, 248,835,400.80 and 97,697,857.60

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Solution

The fourth proportional to 165,890,267.20, 248,835,400.80 and 97,697,857.60 is: 146,546,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,890,267.20 : 248,835,400.80 = 97,697,857.60 : x
  2. Step 2: Convert to fraction form
    165,890,267.20/248,835,400.80 = 97,697,857.60/x
  3. Step 3: Cross multiply
    165,890,267.20x = 248,835,400.80 × 97,697,857.60
  4. Step 4: Simplify right side
    165,890,267.20x = 24,310,685,553,197,324
  5. Step 5: Solve for x
    x = 24,310,685,553,197,324/165,890,267.20
  6. Step 6: Final answer
    x = 146,546,786.40

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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.