Home / 211,640,136.39-317,461,274.82-66,061,494.45

Finding the Fourth Proportional to 211,640,136.39, 317,461,274.82 and 66,061,494.45

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Solution

The fourth proportional to 211,640,136.39, 317,461,274.82 and 66,061,494.45 is: 99,092,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,640,136.39 : 317,461,274.82 = 66,061,494.45 : x
  2. Step 2: Convert to fraction form
    211,640,136.39/317,461,274.82 = 66,061,494.45/x
  3. Step 3: Cross multiply
    211,640,136.39x = 317,461,274.82 × 66,061,494.45
  4. Step 4: Simplify right side
    211,640,136.39x = 20,971,966,244,611,356
  5. Step 5: Solve for x
    x = 20,971,966,244,611,356/211,640,136.39
  6. Step 6: Final answer
    x = 99,092,575.74

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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.