Home / 342,360,749.21-472,417,975.71-191,661,657.03

Finding the Fourth Proportional to 342,360,749.21, 472,417,975.71 and 191,661,657.03

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Solution

The fourth proportional to 342,360,749.21, 472,417,975.71 and 191,661,657.03 is: 264,470,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,749.21 : 472,417,975.71 = 191,661,657.03 : x
  2. Step 2: Convert to fraction form
    342,360,749.21/472,417,975.71 = 191,661,657.03/x
  3. Step 3: Cross multiply
    342,360,749.21x = 472,417,975.71 × 191,661,657.03
  4. Step 4: Simplify right side
    342,360,749.21x = 90,544,412,035,336,880
  5. Step 5: Solve for x
    x = 90,544,412,035,336,880/342,360,749.21
  6. Step 6: Final answer
    x = 264,470,773.14

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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.