Home / 216,698,621.10-325,087,297.65-71,091,660.30

Finding the Fourth Proportional to 216,698,621.10, 325,087,297.65 and 71,091,660.30

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Solution

The fourth proportional to 216,698,621.10, 325,087,297.65 and 71,091,660.30 is: 106,650,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,698,621.10 : 325,087,297.65 = 71,091,660.30 : x
  2. Step 2: Convert to fraction form
    216,698,621.10/325,087,297.65 = 71,091,660.30/x
  3. Step 3: Cross multiply
    216,698,621.10x = 325,087,297.65 × 71,091,660.30
  4. Step 4: Simplify right side
    216,698,621.10x = 23,110,995,732,378,784
  5. Step 5: Solve for x
    x = 23,110,995,732,378,784/216,698,621.10
  6. Step 6: Final answer
    x = 106,650,405.13

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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.