Home / 201,448,044.40-302,172,066.60-140,226,041.20

Finding the Fourth Proportional to 201,448,044.40, 302,172,066.60 and 140,226,041.20

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Solution

The fourth proportional to 201,448,044.40, 302,172,066.60 and 140,226,041.20 is: 210,339,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,448,044.40 : 302,172,066.60 = 140,226,041.20 : x
  2. Step 2: Convert to fraction form
    201,448,044.40/302,172,066.60 = 140,226,041.20/x
  3. Step 3: Cross multiply
    201,448,044.40x = 302,172,066.60 × 140,226,041.20
  4. Step 4: Simplify right side
    201,448,044.40x = 42,372,392,660,540,744
  5. Step 5: Solve for x
    x = 42,372,392,660,540,744/201,448,044.40
  6. Step 6: Final answer
    x = 210,339,061.80

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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.