Home / 201,582,401.40-302,429,589.30-86,622,017.40

Finding the Fourth Proportional to 201,582,401.40, 302,429,589.30 and 86,622,017.40

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Solution

The fourth proportional to 201,582,401.40, 302,429,589.30 and 86,622,017.40 is: 129,957,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,401.40 : 302,429,589.30 = 86,622,017.40 : x
  2. Step 2: Convert to fraction form
    201,582,401.40/302,429,589.30 = 86,622,017.40/x
  3. Step 3: Cross multiply
    201,582,401.40x = 302,429,589.30 × 86,622,017.40
  4. Step 4: Simplify right side
    201,582,401.40x = 26,197,061,146,619,456
  5. Step 5: Solve for x
    x = 26,197,061,146,619,456/201,582,401.40
  6. Step 6: Final answer
    x = 129,957,084.37

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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.