Home / 201,444,098.40-302,166,147.60-140,222,095.20

Finding the Fourth Proportional to 201,444,098.40, 302,166,147.60 and 140,222,095.20

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Solution

The fourth proportional to 201,444,098.40, 302,166,147.60 and 140,222,095.20 is: 210,333,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,444,098.40 : 302,166,147.60 = 140,222,095.20 : x
  2. Step 2: Convert to fraction form
    201,444,098.40/302,166,147.60 = 140,222,095.20/x
  3. Step 3: Cross multiply
    201,444,098.40x = 302,166,147.60 × 140,222,095.20
  4. Step 4: Simplify right side
    201,444,098.40x = 42,370,370,314,984,448
  5. Step 5: Solve for x
    x = 42,370,370,314,984,448/201,444,098.40
  6. Step 6: Final answer
    x = 210,333,142.80

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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.