Home / 113,089,728.40-169,634,592.60-40,388,599.60

Finding the Fourth Proportional to 113,089,728.40, 169,634,592.60 and 40,388,599.60

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Solution

The fourth proportional to 113,089,728.40, 169,634,592.60 and 40,388,599.60 is: 60,582,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,089,728.40 : 169,634,592.60 = 40,388,599.60 : x
  2. Step 2: Convert to fraction form
    113,089,728.40/169,634,592.60 = 40,388,599.60/x
  3. Step 3: Cross multiply
    113,089,728.40x = 169,634,592.60 × 40,388,599.60
  4. Step 4: Simplify right side
    113,089,728.40x = 6,851,303,638,830,523
  5. Step 5: Solve for x
    x = 6,851,303,638,830,523/113,089,728.40
  6. Step 6: Final answer
    x = 60,582,899.40

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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.