Home / 194,057,445.40-291,086,168.10-97,028,128.60

Finding the Fourth Proportional to 194,057,445.40, 291,086,168.10 and 97,028,128.60

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Solution

The fourth proportional to 194,057,445.40, 291,086,168.10 and 97,028,128.60 is: 145,542,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,057,445.40 : 291,086,168.10 = 97,028,128.60 : x
  2. Step 2: Convert to fraction form
    194,057,445.40/291,086,168.10 = 97,028,128.60/x
  3. Step 3: Cross multiply
    194,057,445.40x = 291,086,168.10 × 97,028,128.60
  4. Step 4: Simplify right side
    194,057,445.40x = 28,243,546,152,088,020
  5. Step 5: Solve for x
    x = 28,243,546,152,088,020/194,057,445.40
  6. Step 6: Final answer
    x = 145,542,192.90

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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.