Home / 87,503,090.09-120,614,017.29-59,236,549.64

Finding the Fourth Proportional to 87,503,090.09, 120,614,017.29 and 59,236,549.64

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Solution

The fourth proportional to 87,503,090.09, 120,614,017.29 and 59,236,549.64 is: 81,651,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,503,090.09 : 120,614,017.29 = 59,236,549.64 : x
  2. Step 2: Convert to fraction form
    87,503,090.09/120,614,017.29 = 59,236,549.64/x
  3. Step 3: Cross multiply
    87,503,090.09x = 120,614,017.29 × 59,236,549.64
  4. Step 4: Simplify right side
    87,503,090.09x = 7,144,758,222,608,842
  5. Step 5: Solve for x
    x = 7,144,758,222,608,842/87,503,090.09
  6. Step 6: Final answer
    x = 81,651,496.14

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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.