Home / 131,118,995.20-196,678,492.80-49,237,715.20

Finding the Fourth Proportional to 131,118,995.20, 196,678,492.80 and 49,237,715.20

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Solution

The fourth proportional to 131,118,995.20, 196,678,492.80 and 49,237,715.20 is: 73,856,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,118,995.20 : 196,678,492.80 = 49,237,715.20 : x
  2. Step 2: Convert to fraction form
    131,118,995.20/196,678,492.80 = 49,237,715.20/x
  3. Step 3: Cross multiply
    131,118,995.20x = 196,678,492.80 × 49,237,715.20
  4. Step 4: Simplify right side
    131,118,995.20x = 9,683,999,614,451,652
  5. Step 5: Solve for x
    x = 9,683,999,614,451,652/131,118,995.20
  6. Step 6: Final answer
    x = 73,856,572.80

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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.