Home / 196,031,628.80-294,047,443.20-80,977,932.80

Finding the Fourth Proportional to 196,031,628.80, 294,047,443.20 and 80,977,932.80

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Solution

The fourth proportional to 196,031,628.80, 294,047,443.20 and 80,977,932.80 is: 121,466,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,031,628.80 : 294,047,443.20 = 80,977,932.80 : x
  2. Step 2: Convert to fraction form
    196,031,628.80/294,047,443.20 = 80,977,932.80/x
  3. Step 3: Cross multiply
    196,031,628.80x = 294,047,443.20 × 80,977,932.80
  4. Step 4: Simplify right side
    196,031,628.80x = 23,811,354,095,461,416
  5. Step 5: Solve for x
    x = 23,811,354,095,461,416/196,031,628.80
  6. Step 6: Final answer
    x = 121,466,899.20

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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.