Home / 209,952,216.40-314,928,324.60-157,800,139.60

Finding the Fourth Proportional to 209,952,216.40, 314,928,324.60 and 157,800,139.60

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Solution

The fourth proportional to 209,952,216.40, 314,928,324.60 and 157,800,139.60 is: 236,700,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,216.40 : 314,928,324.60 = 157,800,139.60 : x
  2. Step 2: Convert to fraction form
    209,952,216.40/314,928,324.60 = 157,800,139.60/x
  3. Step 3: Cross multiply
    209,952,216.40x = 314,928,324.60 × 157,800,139.60
  4. Step 4: Simplify right side
    209,952,216.40x = 49,695,733,585,874,120
  5. Step 5: Solve for x
    x = 49,695,733,585,874,120/209,952,216.40
  6. Step 6: Final answer
    x = 236,700,209.40

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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.