Home / 201,585,019.40-302,433,516.30-86,624,635.40

Finding the Fourth Proportional to 201,585,019.40, 302,433,516.30 and 86,624,635.40

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Solution

The fourth proportional to 201,585,019.40, 302,433,516.30 and 86,624,635.40 is: 129,961,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,585,019.40 : 302,433,516.30 = 86,624,635.40 : x
  2. Step 2: Convert to fraction form
    201,585,019.40/302,433,516.30 = 86,624,635.40/x
  3. Step 3: Cross multiply
    201,585,019.40x = 302,433,516.30 × 86,624,635.40
  4. Step 4: Simplify right side
    201,585,019.40x = 26,198,193,082,227,460
  5. Step 5: Solve for x
    x = 26,198,193,082,227,460/201,585,019.40
  6. Step 6: Final answer
    x = 129,961,011.79

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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.