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Finding the Fourth Proportional to 86,894,789, 130,358,968.14 and 33,037,913.48

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Solution

The fourth proportional to 86,894,789, 130,358,968.14 and 33,037,913.48 is: 49,563,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,894,789 : 130,358,968.14 = 33,037,913.48 : x
  2. Step 2: Convert to fraction form
    86,894,789/130,358,968.14 = 33,037,913.48/x
  3. Step 3: Cross multiply
    86,894,789x = 130,358,968.14 × 33,037,913.48
  4. Step 4: Simplify right side
    86,894,789x = 4,306,788,310,751,396.50
  5. Step 5: Solve for x
    x = 4,306,788,310,751,396.50/86,894,789
  6. Step 6: Final answer
    x = 49,563,251.84

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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.