Home / 286,371,629.52-429,381,641.21-111,290,231.21

Finding the Fourth Proportional to 286,371,629.52, 429,381,641.21 and 111,290,231.21

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Solution

The fourth proportional to 286,371,629.52, 429,381,641.21 and 111,290,231.21 is: 166,867,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,371,629.52 : 429,381,641.21 = 111,290,231.21 : x
  2. Step 2: Convert to fraction form
    286,371,629.52/429,381,641.21 = 111,290,231.21/x
  3. Step 3: Cross multiply
    286,371,629.52x = 429,381,641.21 × 111,290,231.21
  4. Step 4: Simplify right side
    286,371,629.52x = 47,785,982,124,886,800
  5. Step 5: Solve for x
    x = 47,785,982,124,886,800/286,371,629.52
  6. Step 6: Final answer
    x = 166,867,025.92

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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.