Home / 209,970,243.40-314,955,365.10-197,215,659.40

Finding the Fourth Proportional to 209,970,243.40, 314,955,365.10 and 197,215,659.40

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Solution

The fourth proportional to 209,970,243.40, 314,955,365.10 and 197,215,659.40 is: 295,823,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,970,243.40 : 314,955,365.10 = 197,215,659.40 : x
  2. Step 2: Convert to fraction form
    209,970,243.40/314,955,365.10 = 197,215,659.40/x
  3. Step 3: Cross multiply
    209,970,243.40x = 314,955,365.10 × 197,215,659.40
  4. Step 4: Simplify right side
    209,970,243.40x = 62,114,130,009,764,256
  5. Step 5: Solve for x
    x = 62,114,130,009,764,256/209,970,243.40
  6. Step 6: Final answer
    x = 295,823,489.10

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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.