Home / 189,633,483.32-261,692,229.20-111,301,903.04

Finding the Fourth Proportional to 189,633,483.32, 261,692,229.20 and 111,301,903.04

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Solution

The fourth proportional to 189,633,483.32, 261,692,229.20 and 111,301,903.04 is: 153,595,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,633,483.32 : 261,692,229.20 = 111,301,903.04 : x
  2. Step 2: Convert to fraction form
    189,633,483.32/261,692,229.20 = 111,301,903.04/x
  3. Step 3: Cross multiply
    189,633,483.32x = 261,692,229.20 × 111,301,903.04
  4. Step 4: Simplify right side
    189,633,483.32x = 29,126,843,118,874,884
  5. Step 5: Solve for x
    x = 29,126,843,118,874,884/189,633,483.32
  6. Step 6: Final answer
    x = 153,595,465.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.