Home / 163,576,892.60-245,156,942.10-86,936,636.60

Finding the Fourth Proportional to 163,576,892.60, 245,156,942.10 and 86,936,636.60

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Solution

The fourth proportional to 163,576,892.60, 245,156,942.10 and 86,936,636.60 is: 130,294,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,576,892.60 : 245,156,942.10 = 86,936,636.60 : x
  2. Step 2: Convert to fraction form
    163,576,892.60/245,156,942.10 = 86,936,636.60/x
  3. Step 3: Cross multiply
    163,576,892.60x = 245,156,942.10 × 86,936,636.60
  4. Step 4: Simplify right side
    163,576,892.60x = 21,313,119,985,314,940
  5. Step 5: Solve for x
    x = 21,313,119,985,314,940/163,576,892.60
  6. Step 6: Final answer
    x = 130,294,197.71

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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.