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Finding the Fourth Proportional to 116,658,077.60, 174,903,135.60 and 65,555,760.80

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Solution

The fourth proportional to 116,658,077.60, 174,903,135.60 and 65,555,760.80 is: 98,286,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,658,077.60 : 174,903,135.60 = 65,555,760.80 : x
  2. Step 2: Convert to fraction form
    116,658,077.60/174,903,135.60 = 65,555,760.80/x
  3. Step 3: Cross multiply
    116,658,077.60x = 174,903,135.60 × 65,555,760.80
  4. Step 4: Simplify right side
    116,658,077.60x = 11,465,908,120,563,564
  5. Step 5: Solve for x
    x = 11,465,908,120,563,564/116,658,077.60
  6. Step 6: Final answer
    x = 98,286,448.37

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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.