Home / 157,510,964.24-217,365,170.74-86,946,613.82

Finding the Fourth Proportional to 157,510,964.24, 217,365,170.74 and 86,946,613.82

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Solution

The fourth proportional to 157,510,964.24, 217,365,170.74 and 86,946,613.82 is: 119,986,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,510,964.24 : 217,365,170.74 = 86,946,613.82 : x
  2. Step 2: Convert to fraction form
    157,510,964.24/217,365,170.74 = 86,946,613.82/x
  3. Step 3: Cross multiply
    157,510,964.24x = 217,365,170.74 × 86,946,613.82
  4. Step 4: Simplify right side
    157,510,964.24x = 18,899,165,558,249,144
  5. Step 5: Solve for x
    x = 18,899,165,558,249,144/157,510,964.24
  6. Step 6: Final answer
    x = 119,986,349.20

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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.