Home / 196,991,721.40-295,487,582.10-60,659,390.20

Finding the Fourth Proportional to 196,991,721.40, 295,487,582.10 and 60,659,390.20

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Solution

The fourth proportional to 196,991,721.40, 295,487,582.10 and 60,659,390.20 is: 90,989,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,991,721.40 : 295,487,582.10 = 60,659,390.20 : x
  2. Step 2: Convert to fraction form
    196,991,721.40/295,487,582.10 = 60,659,390.20/x
  3. Step 3: Cross multiply
    196,991,721.40x = 295,487,582.10 × 60,659,390.20
  4. Step 4: Simplify right side
    196,991,721.40x = 17,924,096,541,858,438
  5. Step 5: Solve for x
    x = 17,924,096,541,858,438/196,991,721.40
  6. Step 6: Final answer
    x = 90,989,085.30

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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.