Home / 74,247,178.58-111,357,924.64-19,660,548.36

Finding the Fourth Proportional to 74,247,178.58, 111,357,924.64 and 19,660,548.36

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Solution

The fourth proportional to 74,247,178.58, 111,357,924.64 and 19,660,548.36 is: 29,487,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247,178.58 : 111,357,924.64 = 19,660,548.36 : x
  2. Step 2: Convert to fraction form
    74,247,178.58/111,357,924.64 = 19,660,548.36/x
  3. Step 3: Cross multiply
    74,247,178.58x = 111,357,924.64 × 19,660,548.36
  4. Step 4: Simplify right side
    74,247,178.58x = 2,189,357,862,604,804.25
  5. Step 5: Solve for x
    x = 2,189,357,862,604,804.25/74,247,178.58
  6. Step 6: Final answer
    x = 29,487,421.67

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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.