Home / 113,089,909.40-169,634,864.10-40,388,780.60

Finding the Fourth Proportional to 113,089,909.40, 169,634,864.10 and 40,388,780.60

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Solution

The fourth proportional to 113,089,909.40, 169,634,864.10 and 40,388,780.60 is: 60,583,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,089,909.40 : 169,634,864.10 = 40,388,780.60 : x
  2. Step 2: Convert to fraction form
    113,089,909.40/169,634,864.10 = 40,388,780.60/x
  3. Step 3: Cross multiply
    113,089,909.40x = 169,634,864.10 × 40,388,780.60
  4. Step 4: Simplify right side
    113,089,909.40x = 6,851,345,308,245,716
  5. Step 5: Solve for x
    x = 6,851,345,308,245,716/113,089,909.40
  6. Step 6: Final answer
    x = 60,583,170.90

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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.