Home / 86,908,007.70-130,362,011.55-33,048,321.30

Finding the Fourth Proportional to 86,908,007.70, 130,362,011.55 and 33,048,321.30

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Solution

The fourth proportional to 86,908,007.70, 130,362,011.55 and 33,048,321.30 is: 49,572,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908,007.70 : 130,362,011.55 = 33,048,321.30 : x
  2. Step 2: Convert to fraction form
    86,908,007.70/130,362,011.55 = 33,048,321.30/x
  3. Step 3: Cross multiply
    86,908,007.70x = 130,362,011.55 × 33,048,321.30
  4. Step 4: Simplify right side
    86,908,007.70x = 4,308,245,643,018,711
  5. Step 5: Solve for x
    x = 4,308,245,643,018,711/86,908,007.70
  6. Step 6: Final answer
    x = 49,572,481.95

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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.