Home / 211,055,704.79-291,256,900.22-116,975,925.54

Finding the Fourth Proportional to 211,055,704.79, 291,256,900.22 and 116,975,925.54

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Solution

The fourth proportional to 211,055,704.79, 291,256,900.22 and 116,975,925.54 is: 161,426,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,704.79 : 291,256,900.22 = 116,975,925.54 : x
  2. Step 2: Convert to fraction form
    211,055,704.79/291,256,900.22 = 116,975,925.54/x
  3. Step 3: Cross multiply
    211,055,704.79x = 291,256,900.22 × 116,975,925.54
  4. Step 4: Simplify right side
    211,055,704.79x = 34,070,045,472,561,048
  5. Step 5: Solve for x
    x = 34,070,045,472,561,048/211,055,704.79
  6. Step 6: Final answer
    x = 161,426,792.55

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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.