Home / 201,608,889.03-302,445,220.01-72,213,634.35

Finding the Fourth Proportional to 201,608,889.03, 302,445,220.01 and 72,213,634.35

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Solution

The fourth proportional to 201,608,889.03, 302,445,220.01 and 72,213,634.35 is: 108,331,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,608,889.03 : 302,445,220.01 = 72,213,634.35 : x
  2. Step 2: Convert to fraction form
    201,608,889.03/302,445,220.01 = 72,213,634.35/x
  3. Step 3: Cross multiply
    201,608,889.03x = 302,445,220.01 × 72,213,634.35
  4. Step 4: Simplify right side
    201,608,889.03x = 21,840,668,528,346,372
  5. Step 5: Solve for x
    x = 21,840,668,528,346,372/201,608,889.03
  6. Step 6: Final answer
    x = 108,331,872.83

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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.