Home / 86,196,819.50-118,954,137.52-47,041,113.84

Finding the Fourth Proportional to 86,196,819.50, 118,954,137.52 and 47,041,113.84

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Solution

The fourth proportional to 86,196,819.50, 118,954,137.52 and 47,041,113.84 is: 64,918,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196,819.50 : 118,954,137.52 = 47,041,113.84 : x
  2. Step 2: Convert to fraction form
    86,196,819.50/118,954,137.52 = 47,041,113.84/x
  3. Step 3: Cross multiply
    86,196,819.50x = 118,954,137.52 × 47,041,113.84
  4. Step 4: Simplify right side
    86,196,819.50x = 5,595,735,124,817,336
  5. Step 5: Solve for x
    x = 5,595,735,124,817,336/86,196,819.50
  6. Step 6: Final answer
    x = 64,918,115.97

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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.