Home / 131,148,018.30-196,847,998.65-66,524,792.70

Finding the Fourth Proportional to 131,148,018.30, 196,847,998.65 and 66,524,792.70

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Solution

The fourth proportional to 131,148,018.30, 196,847,998.65 and 66,524,792.70 is: 99,851,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148,018.30 : 196,847,998.65 = 66,524,792.70 : x
  2. Step 2: Convert to fraction form
    131,148,018.30/196,847,998.65 = 66,524,792.70/x
  3. Step 3: Cross multiply
    131,148,018.30x = 196,847,998.65 × 66,524,792.70
  4. Step 4: Simplify right side
    131,148,018.30x = 13,095,272,303,601,130
  5. Step 5: Solve for x
    x = 13,095,272,303,601,130/131,148,018.30
  6. Step 6: Final answer
    x = 99,851,087.90

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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.