Home / 130,969,809.60-196,076,800.80-115,853,265.60

Finding the Fourth Proportional to 130,969,809.60, 196,076,800.80 and 115,853,265.60

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Solution

The fourth proportional to 130,969,809.60, 196,076,800.80 and 115,853,265.60 is: 173,445,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,969,809.60 : 196,076,800.80 = 115,853,265.60 : x
  2. Step 2: Convert to fraction form
    130,969,809.60/196,076,800.80 = 115,853,265.60/x
  3. Step 3: Cross multiply
    130,969,809.60x = 196,076,800.80 × 115,853,265.60
  4. Step 4: Simplify right side
    130,969,809.60x = 22,716,137,681,080,692
  5. Step 5: Solve for x
    x = 22,716,137,681,080,692/130,969,809.60
  6. Step 6: Final answer
    x = 173,445,603.61

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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.