Home / 201,585,010.90-302,433,503.55-86,624,626.90

Finding the Fourth Proportional to 201,585,010.90, 302,433,503.55 and 86,624,626.90

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Solution

The fourth proportional to 201,585,010.90, 302,433,503.55 and 86,624,626.90 is: 129,960,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,585,010.90 : 302,433,503.55 = 86,624,626.90 : x
  2. Step 2: Convert to fraction form
    201,585,010.90/302,433,503.55 = 86,624,626.90/x
  3. Step 3: Cross multiply
    201,585,010.90x = 302,433,503.55 × 86,624,626.90
  4. Step 4: Simplify right side
    201,585,010.90x = 26,198,189,407,078,580
  5. Step 5: Solve for x
    x = 26,198,189,407,078,580/201,585,010.90
  6. Step 6: Final answer
    x = 129,960,999.04

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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.