Home / 97,089,320.20-145,536,002.70-48,492,430.60

Finding the Fourth Proportional to 97,089,320.20, 145,536,002.70 and 48,492,430.60

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Solution

The fourth proportional to 97,089,320.20, 145,536,002.70 and 48,492,430.60 is: 72,689,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,089,320.20 : 145,536,002.70 = 48,492,430.60 : x
  2. Step 2: Convert to fraction form
    97,089,320.20/145,536,002.70 = 48,492,430.60/x
  3. Step 3: Cross multiply
    97,089,320.20x = 145,536,002.70 × 48,492,430.60
  4. Step 4: Simplify right side
    97,089,320.20x = 7,057,394,510,731,162
  5. Step 5: Solve for x
    x = 7,057,394,510,731,162/97,089,320.20
  6. Step 6: Final answer
    x = 72,689,709.81

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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.