Home / 291,800,206.53-402,693,831.06-159,638,137.15

Finding the Fourth Proportional to 291,800,206.53, 402,693,831.06 and 159,638,137.15

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Solution

The fourth proportional to 291,800,206.53, 402,693,831.06 and 159,638,137.15 is: 220,305,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,800,206.53 : 402,693,831.06 = 159,638,137.15 : x
  2. Step 2: Convert to fraction form
    291,800,206.53/402,693,831.06 = 159,638,137.15/x
  3. Step 3: Cross multiply
    291,800,206.53x = 402,693,831.06 × 159,638,137.15
  4. Step 4: Simplify right side
    291,800,206.53x = 64,285,293,030,201,744
  5. Step 5: Solve for x
    x = 64,285,293,030,201,744/291,800,206.53
  6. Step 6: Final answer
    x = 220,305,851.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.