Home / 196,571,409.60-294,857,114.40-67,159,621.20

Finding the Fourth Proportional to 196,571,409.60, 294,857,114.40 and 67,159,621.20

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Solution

The fourth proportional to 196,571,409.60, 294,857,114.40 and 67,159,621.20 is: 100,739,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,571,409.60 : 294,857,114.40 = 67,159,621.20 : x
  2. Step 2: Convert to fraction form
    196,571,409.60/294,857,114.40 = 67,159,621.20/x
  3. Step 3: Cross multiply
    196,571,409.60x = 294,857,114.40 × 67,159,621.20
  4. Step 4: Simplify right side
    196,571,409.60x = 19,802,492,111,229,064
  5. Step 5: Solve for x
    x = 19,802,492,111,229,064/196,571,409.60
  6. Step 6: Final answer
    x = 100,739,431.80

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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.