Home / 150,111,579.36-225,312,615.60-72,443,158.56

Finding the Fourth Proportional to 150,111,579.36, 225,312,615.60 and 72,443,158.56

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Solution

The fourth proportional to 150,111,579.36, 225,312,615.60 and 72,443,158.56 is: 108,734,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,111,579.36 : 225,312,615.60 = 72,443,158.56 : x
  2. Step 2: Convert to fraction form
    150,111,579.36/225,312,615.60 = 72,443,158.56/x
  3. Step 3: Cross multiply
    150,111,579.36x = 225,312,615.60 × 72,443,158.56
  4. Step 4: Simplify right side
    150,111,579.36x = 16,322,357,537,479,130
  5. Step 5: Solve for x
    x = 16,322,357,537,479,130/150,111,579.36
  6. Step 6: Final answer
    x = 108,734,833.16

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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.