Home / 211,411,064.62-317,014,072.80-124,001,144.62

Finding the Fourth Proportional to 211,411,064.62, 317,014,072.80 and 124,001,144.62

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Solution

The fourth proportional to 211,411,064.62, 317,014,072.80 and 124,001,144.62 is: 185,941,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,411,064.62 : 317,014,072.80 = 124,001,144.62 : x
  2. Step 2: Convert to fraction form
    211,411,064.62/317,014,072.80 = 124,001,144.62/x
  3. Step 3: Cross multiply
    211,411,064.62x = 317,014,072.80 × 124,001,144.62
  4. Step 4: Simplify right side
    211,411,064.62x = 39,310,107,887,848,008
  5. Step 5: Solve for x
    x = 39,310,107,887,848,008/211,411,064.62
  6. Step 6: Final answer
    x = 185,941,582.38

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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.