Home / 66,432,131.20-99,663,943.20-34,089,025.60

Finding the Fourth Proportional to 66,432,131.20, 99,663,943.20 and 34,089,025.60

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Solution

The fourth proportional to 66,432,131.20, 99,663,943.20 and 34,089,025.60 is: 51,141,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,131.20 : 99,663,943.20 = 34,089,025.60 : x
  2. Step 2: Convert to fraction form
    66,432,131.20/99,663,943.20 = 34,089,025.60/x
  3. Step 3: Cross multiply
    66,432,131.20x = 99,663,943.20 × 34,089,025.60
  4. Step 4: Simplify right side
    66,432,131.20x = 3,397,446,711,141,746
  5. Step 5: Solve for x
    x = 3,397,446,711,141,746/66,432,131.20
  6. Step 6: Final answer
    x = 51,141,618.52

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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.