Home / 64,645,271.40-89,212,358.52-35,278,495.44

Finding the Fourth Proportional to 64,645,271.40, 89,212,358.52 and 35,278,495.44

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Solution

The fourth proportional to 64,645,271.40, 89,212,358.52 and 35,278,495.44 is: 48,685,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645,271.40 : 89,212,358.52 = 35,278,495.44 : x
  2. Step 2: Convert to fraction form
    64,645,271.40/89,212,358.52 = 35,278,495.44/x
  3. Step 3: Cross multiply
    64,645,271.40x = 89,212,358.52 × 35,278,495.44
  4. Step 4: Simplify right side
    64,645,271.40x = 3,147,277,783,239,465
  5. Step 5: Solve for x
    x = 3,147,277,783,239,465/64,645,271.40
  6. Step 6: Final answer
    x = 48,685,351.85

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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.