Home / 201,388,274.40-302,231,710.80-133,208,306.40

Finding the Fourth Proportional to 201,388,274.40, 302,231,710.80 and 133,208,306.40

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Solution

The fourth proportional to 201,388,274.40, 302,231,710.80 and 133,208,306.40 is: 199,911,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,388,274.40 : 302,231,710.80 = 133,208,306.40 : x
  2. Step 2: Convert to fraction form
    201,388,274.40/302,231,710.80 = 133,208,306.40/x
  3. Step 3: Cross multiply
    201,388,274.40x = 302,231,710.80 × 133,208,306.40
  4. Step 4: Simplify right side
    201,388,274.40x = 40,259,774,336,042,592
  5. Step 5: Solve for x
    x = 40,259,774,336,042,592/201,388,274.40
  6. Step 6: Final answer
    x = 199,911,213.58

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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.