Home / 98,902,021.60-148,353,032.40-50,529,080.80

Finding the Fourth Proportional to 98,902,021.60, 148,353,032.40 and 50,529,080.80

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Solution

The fourth proportional to 98,902,021.60, 148,353,032.40 and 50,529,080.80 is: 75,793,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,902,021.60 : 148,353,032.40 = 50,529,080.80 : x
  2. Step 2: Convert to fraction form
    98,902,021.60/148,353,032.40 = 50,529,080.80/x
  3. Step 3: Cross multiply
    98,902,021.60x = 148,353,032.40 × 50,529,080.80
  4. Step 4: Simplify right side
    98,902,021.60x = 7,496,142,361,064,618
  5. Step 5: Solve for x
    x = 7,496,142,361,064,618/98,902,021.60
  6. Step 6: Final answer
    x = 75,793,621.20

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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.