Home / 131,004,018.70-196,506,028.05-100,770,930.70

Finding the Fourth Proportional to 131,004,018.70, 196,506,028.05 and 100,770,930.70

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Solution

The fourth proportional to 131,004,018.70, 196,506,028.05 and 100,770,930.70 is: 151,156,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004,018.70 : 196,506,028.05 = 100,770,930.70 : x
  2. Step 2: Convert to fraction form
    131,004,018.70/196,506,028.05 = 100,770,930.70/x
  3. Step 3: Cross multiply
    131,004,018.70x = 196,506,028.05 × 100,770,930.70
  4. Step 4: Simplify right side
    131,004,018.70x = 19,802,095,334,758,808
  5. Step 5: Solve for x
    x = 19,802,095,334,758,808/131,004,018.70
  6. Step 6: Final answer
    x = 151,156,396.05

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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.