Home / 132,901,984.17-199,352,139.73-71,520,056.60

Finding the Fourth Proportional to 132,901,984.17, 199,352,139.73 and 71,520,056.60

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Solution

The fourth proportional to 132,901,984.17, 199,352,139.73 and 71,520,056.60 is: 107,279,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901,984.17 : 199,352,139.73 = 71,520,056.60 : x
  2. Step 2: Convert to fraction form
    132,901,984.17/199,352,139.73 = 71,520,056.60/x
  3. Step 3: Cross multiply
    132,901,984.17x = 199,352,139.73 × 71,520,056.60
  4. Step 4: Simplify right side
    132,901,984.17x = 14,257,676,315,645,148
  5. Step 5: Solve for x
    x = 14,257,676,315,645,148/132,901,984.17
  6. Step 6: Final answer
    x = 107,279,634.72

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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.