Home / 99,089,997.60-148,634,996.40-64,652,620.80

Finding the Fourth Proportional to 99,089,997.60, 148,634,996.40 and 64,652,620.80

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Solution

The fourth proportional to 99,089,997.60, 148,634,996.40 and 64,652,620.80 is: 96,978,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,089,997.60 : 148,634,996.40 = 64,652,620.80 : x
  2. Step 2: Convert to fraction form
    99,089,997.60/148,634,996.40 = 64,652,620.80/x
  3. Step 3: Cross multiply
    99,089,997.60x = 148,634,996.40 × 64,652,620.80
  4. Step 4: Simplify right side
    99,089,997.60x = 9,609,642,059,858,566
  5. Step 5: Solve for x
    x = 9,609,642,059,858,566/99,089,997.60
  6. Step 6: Final answer
    x = 96,978,931.20

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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.