Home / 131,223,275.90-196,834,913.85-70,757,099.90

Finding the Fourth Proportional to 131,223,275.90, 196,834,913.85 and 70,757,099.90

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Solution

The fourth proportional to 131,223,275.90, 196,834,913.85 and 70,757,099.90 is: 106,135,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,223,275.90 : 196,834,913.85 = 70,757,099.90 : x
  2. Step 2: Convert to fraction form
    131,223,275.90/196,834,913.85 = 70,757,099.90/x
  3. Step 3: Cross multiply
    131,223,275.90x = 196,834,913.85 × 70,757,099.90
  4. Step 4: Simplify right side
    131,223,275.90x = 13,927,467,663,092,344
  5. Step 5: Solve for x
    x = 13,927,467,663,092,344/131,223,275.90
  6. Step 6: Final answer
    x = 106,135,649.85

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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.