Home / 201,584,975.40-302,433,450.30-86,624,591.40

Finding the Fourth Proportional to 201,584,975.40, 302,433,450.30 and 86,624,591.40

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Solution

The fourth proportional to 201,584,975.40, 302,433,450.30 and 86,624,591.40 is: 129,960,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,584,975.40 : 302,433,450.30 = 86,624,591.40 : x
  2. Step 2: Convert to fraction form
    201,584,975.40/302,433,450.30 = 86,624,591.40/x
  3. Step 3: Cross multiply
    201,584,975.40x = 302,433,450.30 × 86,624,591.40
  4. Step 4: Simplify right side
    201,584,975.40x = 26,198,174,057,929,712
  5. Step 5: Solve for x
    x = 26,198,174,057,929,712/201,584,975.40
  6. Step 6: Final answer
    x = 129,960,945.78

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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.