Home / 286,371,626.52-429,381,636.71-111,290,228.21

Finding the Fourth Proportional to 286,371,626.52, 429,381,636.71 and 111,290,228.21

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Solution

The fourth proportional to 286,371,626.52, 429,381,636.71 and 111,290,228.21 is: 166,867,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,371,626.52 : 429,381,636.71 = 111,290,228.21 : x
  2. Step 2: Convert to fraction form
    286,371,626.52/429,381,636.71 = 111,290,228.21/x
  3. Step 3: Cross multiply
    286,371,626.52x = 429,381,636.71 × 111,290,228.21
  4. Step 4: Simplify right side
    286,371,626.52x = 47,785,980,335,935,848
  5. Step 5: Solve for x
    x = 47,785,980,335,935,848/286,371,626.52
  6. Step 6: Final answer
    x = 166,867,021.42

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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.