Home / 196,648,421.80-294,944,639.10-67,262,002.60

Finding the Fourth Proportional to 196,648,421.80, 294,944,639.10 and 67,262,002.60

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Solution

The fourth proportional to 196,648,421.80, 294,944,639.10 and 67,262,002.60 is: 100,883,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,648,421.80 : 294,944,639.10 = 67,262,002.60 : x
  2. Step 2: Convert to fraction form
    196,648,421.80/294,944,639.10 = 67,262,002.60/x
  3. Step 3: Cross multiply
    196,648,421.80x = 294,944,639.10 × 67,262,002.60
  4. Step 4: Simplify right side
    196,648,421.80x = 19,838,567,082,000,260
  5. Step 5: Solve for x
    x = 19,838,567,082,000,260/196,648,421.80
  6. Step 6: Final answer
    x = 100,883,428.92

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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.