Home / 209,968,238.80-314,952,358.20-133,346,256.40

Finding the Fourth Proportional to 209,968,238.80, 314,952,358.20 and 133,346,256.40

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Solution

The fourth proportional to 209,968,238.80, 314,952,358.20 and 133,346,256.40 is: 200,019,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968,238.80 : 314,952,358.20 = 133,346,256.40 : x
  2. Step 2: Convert to fraction form
    209,968,238.80/314,952,358.20 = 133,346,256.40/x
  3. Step 3: Cross multiply
    209,968,238.80x = 314,952,358.20 × 133,346,256.40
  4. Step 4: Simplify right side
    209,968,238.80x = 41,997,717,910,321,840
  5. Step 5: Solve for x
    x = 41,997,717,910,321,840/209,968,238.80
  6. Step 6: Final answer
    x = 200,019,384.60

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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.