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Finding the Fourth Proportional to 122,516,996.40, 183,775,494.60 and 122,516,996.40

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Solution

The fourth proportional to 122,516,996.40, 183,775,494.60 and 122,516,996.40 is: 183,775,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516,996.40 : 183,775,494.60 = 122,516,996.40 : x
  2. Step 2: Convert to fraction form
    122,516,996.40/183,775,494.60 = 122,516,996.40/x
  3. Step 3: Cross multiply
    122,516,996.40x = 183,775,494.60 × 122,516,996.40
  4. Step 4: Simplify right side
    122,516,996.40x = 22,515,621,610,316,420
  5. Step 5: Solve for x
    x = 22,515,621,610,316,420/122,516,996.40
  6. Step 6: Final answer
    x = 183,775,494.60

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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.