Home / 211,575,427.19-317,218,256.87-107,743,643.72

Finding the Fourth Proportional to 211,575,427.19, 317,218,256.87 and 107,743,643.72

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Solution

The fourth proportional to 211,575,427.19, 317,218,256.87 and 107,743,643.72 is: 161,541,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,575,427.19 : 317,218,256.87 = 107,743,643.72 : x
  2. Step 2: Convert to fraction form
    211,575,427.19/317,218,256.87 = 107,743,643.72/x
  3. Step 3: Cross multiply
    211,575,427.19x = 317,218,256.87 × 107,743,643.72
  4. Step 4: Simplify right side
    211,575,427.19x = 34,178,250,848,094,632
  5. Step 5: Solve for x
    x = 34,178,250,848,094,632/211,575,427.19
  6. Step 6: Final answer
    x = 161,541,684.23

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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.