Home / 73,758,049.60-110,637,074.40-69,978,913.60

Finding the Fourth Proportional to 73,758,049.60, 110,637,074.40 and 69,978,913.60

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Solution

The fourth proportional to 73,758,049.60, 110,637,074.40 and 69,978,913.60 is: 104,968,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758,049.60 : 110,637,074.40 = 69,978,913.60 : x
  2. Step 2: Convert to fraction form
    73,758,049.60/110,637,074.40 = 69,978,913.60/x
  3. Step 3: Cross multiply
    73,758,049.60x = 110,637,074.40 × 69,978,913.60
  4. Step 4: Simplify right side
    73,758,049.60x = 7,742,262,270,394,372
  5. Step 5: Solve for x
    x = 7,742,262,270,394,372/73,758,049.60
  6. Step 6: Final answer
    x = 104,968,370.40

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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.