Home / 201,470,918.80-302,131,728.60-65,160,749.20

Finding the Fourth Proportional to 201,470,918.80, 302,131,728.60 and 65,160,749.20

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Solution

The fourth proportional to 201,470,918.80, 302,131,728.60 and 65,160,749.20 is: 97,716,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,470,918.80 : 302,131,728.60 = 65,160,749.20 : x
  2. Step 2: Convert to fraction form
    201,470,918.80/302,131,728.60 = 65,160,749.20/x
  3. Step 3: Cross multiply
    201,470,918.80x = 302,131,728.60 × 65,160,749.20
  4. Step 4: Simplify right side
    201,470,918.80x = 19,687,129,792,667,068
  5. Step 5: Solve for x
    x = 19,687,129,792,667,068/201,470,918.80
  6. Step 6: Final answer
    x = 97,716,980.25

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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.