Home / 163,576,857.60-245,156,889.60-86,936,601.60

Finding the Fourth Proportional to 163,576,857.60, 245,156,889.60 and 86,936,601.60

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Solution

The fourth proportional to 163,576,857.60, 245,156,889.60 and 86,936,601.60 is: 130,294,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,576,857.60 : 245,156,889.60 = 86,936,601.60 : x
  2. Step 2: Convert to fraction form
    163,576,857.60/245,156,889.60 = 86,936,601.60/x
  3. Step 3: Cross multiply
    163,576,857.60x = 245,156,889.60 × 86,936,601.60
  4. Step 4: Simplify right side
    163,576,857.60x = 21,313,106,840,650,380
  5. Step 5: Solve for x
    x = 21,313,106,840,650,380/163,576,857.60
  6. Step 6: Final answer
    x = 130,294,145.23

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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.