Home / 56,059,969.60-84,089,954.40-19,709,405.20

Finding the Fourth Proportional to 56,059,969.60, 84,089,954.40 and 19,709,405.20

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Solution

The fourth proportional to 56,059,969.60, 84,089,954.40 and 19,709,405.20 is: 29,564,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,059,969.60 : 84,089,954.40 = 19,709,405.20 : x
  2. Step 2: Convert to fraction form
    56,059,969.60/84,089,954.40 = 19,709,405.20/x
  3. Step 3: Cross multiply
    56,059,969.60x = 84,089,954.40 × 19,709,405.20
  4. Step 4: Simplify right side
    56,059,969.60x = 1,657,362,984,519,123
  5. Step 5: Solve for x
    x = 1,657,362,984,519,123/56,059,969.60
  6. Step 6: Final answer
    x = 29,564,107.80

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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.