Home / 201,585,029.60-302,377,544.40-99,548,357.60

Finding the Fourth Proportional to 201,585,029.60, 302,377,544.40 and 99,548,357.60

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Solution

The fourth proportional to 201,585,029.60, 302,377,544.40 and 99,548,357.60 is: 149,322,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,585,029.60 : 302,377,544.40 = 99,548,357.60 : x
  2. Step 2: Convert to fraction form
    201,585,029.60/302,377,544.40 = 99,548,357.60/x
  3. Step 3: Cross multiply
    201,585,029.60x = 302,377,544.40 × 99,548,357.60
  4. Step 4: Simplify right side
    201,585,029.60x = 30,101,187,920,141,072
  5. Step 5: Solve for x
    x = 30,101,187,920,141,072/201,585,029.60
  6. Step 6: Final answer
    x = 149,322,536.40

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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.