Home / 196,992,420.40-295,488,630.60-60,660,089.20

Finding the Fourth Proportional to 196,992,420.40, 295,488,630.60 and 60,660,089.20

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Solution

The fourth proportional to 196,992,420.40, 295,488,630.60 and 60,660,089.20 is: 90,990,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,420.40 : 295,488,630.60 = 60,660,089.20 : x
  2. Step 2: Convert to fraction form
    196,992,420.40/295,488,630.60 = 60,660,089.20/x
  3. Step 3: Cross multiply
    196,992,420.40x = 295,488,630.60 × 60,660,089.20
  4. Step 4: Simplify right side
    196,992,420.40x = 17,924,366,689,781,852
  5. Step 5: Solve for x
    x = 17,924,366,689,781,852/196,992,420.40
  6. Step 6: Final answer
    x = 90,990,133.80

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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.