Home / 201,585,015.10-302,377,522.65-99,548,343.10

Finding the Fourth Proportional to 201,585,015.10, 302,377,522.65 and 99,548,343.10

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Solution

The fourth proportional to 201,585,015.10, 302,377,522.65 and 99,548,343.10 is: 149,322,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,585,015.10 : 302,377,522.65 = 99,548,343.10 : x
  2. Step 2: Convert to fraction form
    201,585,015.10/302,377,522.65 = 99,548,343.10/x
  3. Step 3: Cross multiply
    201,585,015.10x = 302,377,522.65 × 99,548,343.10
  4. Step 4: Simplify right side
    201,585,015.10x = 30,101,181,370,490,216
  5. Step 5: Solve for x
    x = 30,101,181,370,490,216/201,585,015.10
  6. Step 6: Final answer
    x = 149,322,514.65

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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.