Home / 85,799,658.60-118,405,979.46-52,311,070.44

Finding the Fourth Proportional to 85,799,658.60, 118,405,979.46 and 52,311,070.44

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Solution

The fourth proportional to 85,799,658.60, 118,405,979.46 and 52,311,070.44 is: 72,190,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,799,658.60 : 118,405,979.46 = 52,311,070.44 : x
  2. Step 2: Convert to fraction form
    85,799,658.60/118,405,979.46 = 52,311,070.44/x
  3. Step 3: Cross multiply
    85,799,658.60x = 118,405,979.46 × 52,311,070.44
  4. Step 4: Simplify right side
    85,799,658.60x = 6,193,943,532,049,253
  5. Step 5: Solve for x
    x = 6,193,943,532,049,253/85,799,658.60
  6. Step 6: Final answer
    x = 72,190,771.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.