Home / 342,546,749.42-472,714,981.02-185,913,858.44

Finding the Fourth Proportional to 342,546,749.42, 472,714,981.02 and 185,913,858.44

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Solution

The fourth proportional to 342,546,749.42, 472,714,981.02 and 185,913,858.44 is: 256,561,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,546,749.42 : 472,714,981.02 = 185,913,858.44 : x
  2. Step 2: Convert to fraction form
    342,546,749.42/472,714,981.02 = 185,913,858.44/x
  3. Step 3: Cross multiply
    342,546,749.42x = 472,714,981.02 × 185,913,858.44
  4. Step 4: Simplify right side
    342,546,749.42x = 87,884,266,063,819,568
  5. Step 5: Solve for x
    x = 87,884,266,063,819,568/342,546,749.42
  6. Step 6: Final answer
    x = 256,561,378.01

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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.