Home / 199,348,529.60-299,078,781.60-97,115,902.40

Finding the Fourth Proportional to 199,348,529.60, 299,078,781.60 and 97,115,902.40

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Solution

The fourth proportional to 199,348,529.60, 299,078,781.60 and 97,115,902.40 is: 145,701,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,348,529.60 : 299,078,781.60 = 97,115,902.40 : x
  2. Step 2: Convert to fraction form
    199,348,529.60/299,078,781.60 = 97,115,902.40/x
  3. Step 3: Cross multiply
    199,348,529.60x = 299,078,781.60 × 97,115,902.40
  4. Step 4: Simplify right side
    199,348,529.60x = 29,045,305,763,776,520
  5. Step 5: Solve for x
    x = 29,045,305,763,776,520/199,348,529.60
  6. Step 6: Final answer
    x = 145,701,128.68

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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.