Home / 201,722,188.20-302,620,607.10-65,412,018.60

Finding the Fourth Proportional to 201,722,188.20, 302,620,607.10 and 65,412,018.60

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Solution

The fourth proportional to 201,722,188.20, 302,620,607.10 and 65,412,018.60 is: 98,130,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,722,188.20 : 302,620,607.10 = 65,412,018.60 : x
  2. Step 2: Convert to fraction form
    201,722,188.20/302,620,607.10 = 65,412,018.60/x
  3. Step 3: Cross multiply
    201,722,188.20x = 302,620,607.10 × 65,412,018.60
  4. Step 4: Simplify right side
    201,722,188.20x = 19,795,024,780,368,496
  5. Step 5: Solve for x
    x = 19,795,024,780,368,496/201,722,188.20
  6. Step 6: Final answer
    x = 98,130,131.13

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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.