Home / 185,771,064.80-256,369,001.28-102,142,722.08

Finding the Fourth Proportional to 185,771,064.80, 256,369,001.28 and 102,142,722.08

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Solution

The fourth proportional to 185,771,064.80, 256,369,001.28 and 102,142,722.08 is: 140,959,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,771,064.80 : 256,369,001.28 = 102,142,722.08 : x
  2. Step 2: Convert to fraction form
    185,771,064.80/256,369,001.28 = 102,142,722.08/x
  3. Step 3: Cross multiply
    185,771,064.80x = 256,369,001.28 × 102,142,722.08
  4. Step 4: Simplify right side
    185,771,064.80x = 26,186,227,647,670,204
  5. Step 5: Solve for x
    x = 26,186,227,647,670,204/185,771,064.80
  6. Step 6: Final answer
    x = 140,959,668.16

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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.