Home / 120,365,850.52-166,102,501.26-70,811,579.80

Finding the Fourth Proportional to 120,365,850.52, 166,102,501.26 and 70,811,579.80

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Solution

The fourth proportional to 120,365,850.52, 166,102,501.26 and 70,811,579.80 is: 97,718,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,365,850.52 : 166,102,501.26 = 70,811,579.80 : x
  2. Step 2: Convert to fraction form
    120,365,850.52/166,102,501.26 = 70,811,579.80/x
  3. Step 3: Cross multiply
    120,365,850.52x = 166,102,501.26 × 70,811,579.80
  4. Step 4: Simplify right side
    120,365,850.52x = 11,761,980,522,952,090
  5. Step 5: Solve for x
    x = 11,761,980,522,952,090/120,365,850.52
  6. Step 6: Final answer
    x = 97,718,584.40

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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.