Home / 131,223,231.40-196,834,847.10-70,757,055.40

Finding the Fourth Proportional to 131,223,231.40, 196,834,847.10 and 70,757,055.40

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Solution

The fourth proportional to 131,223,231.40, 196,834,847.10 and 70,757,055.40 is: 106,135,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,223,231.40 : 196,834,847.10 = 70,757,055.40 : x
  2. Step 2: Convert to fraction form
    131,223,231.40/196,834,847.10 = 70,757,055.40/x
  3. Step 3: Cross multiply
    131,223,231.40x = 196,834,847.10 × 70,757,055.40
  4. Step 4: Simplify right side
    131,223,231.40x = 13,927,454,180,905,230
  5. Step 5: Solve for x
    x = 13,927,454,180,905,230/131,223,231.40
  6. Step 6: Final answer
    x = 106,135,583.10

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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.