Home / 101,187,394.16-139,638,574.50-54,777,613.64

Finding the Fourth Proportional to 101,187,394.16, 139,638,574.50 and 54,777,613.64

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Solution

The fourth proportional to 101,187,394.16, 139,638,574.50 and 54,777,613.64 is: 75,593,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,394.16 : 139,638,574.50 = 54,777,613.64 : x
  2. Step 2: Convert to fraction form
    101,187,394.16/139,638,574.50 = 54,777,613.64/x
  3. Step 3: Cross multiply
    101,187,394.16x = 139,638,574.50 × 54,777,613.64
  4. Step 4: Simplify right side
    101,187,394.16x = 7,649,067,883,201,356
  5. Step 5: Solve for x
    x = 7,649,067,883,201,356/101,187,394.16
  6. Step 6: Final answer
    x = 75,593,090.89

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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.