Home / 73,758,048.60-110,637,072.90-69,978,912.60

Finding the Fourth Proportional to 73,758,048.60, 110,637,072.90 and 69,978,912.60

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Solution

The fourth proportional to 73,758,048.60, 110,637,072.90 and 69,978,912.60 is: 104,968,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758,048.60 : 110,637,072.90 = 69,978,912.60 : x
  2. Step 2: Convert to fraction form
    73,758,048.60/110,637,072.90 = 69,978,912.60/x
  3. Step 3: Cross multiply
    73,758,048.60x = 110,637,072.90 × 69,978,912.60
  4. Step 4: Simplify right side
    73,758,048.60x = 7,742,262,054,788,928
  5. Step 5: Solve for x
    x = 7,742,262,054,788,928/73,758,048.60
  6. Step 6: Final answer
    x = 104,968,368.90

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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.