Home / 131,147,121.50-196,730,130.10-50,368,089.50

Finding the Fourth Proportional to 131,147,121.50, 196,730,130.10 and 50,368,089.50

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Solution

The fourth proportional to 131,147,121.50, 196,730,130.10 and 50,368,089.50 is: 75,555,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,147,121.50 : 196,730,130.10 = 50,368,089.50 : x
  2. Step 2: Convert to fraction form
    131,147,121.50/196,730,130.10 = 50,368,089.50/x
  3. Step 3: Cross multiply
    131,147,121.50x = 196,730,130.10 × 50,368,089.50
  4. Step 4: Simplify right side
    131,147,121.50x = 9,908,920,800,223,444
  5. Step 5: Solve for x
    x = 9,908,920,800,223,444/131,147,121.50
  6. Step 6: Final answer
    x = 75,555,762.77

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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.