Home / 100,958,932.56-139,323,327.20-54,549,186.48

Finding the Fourth Proportional to 100,958,932.56, 139,323,327.20 and 54,549,186.48

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Solution

The fourth proportional to 100,958,932.56, 139,323,327.20 and 54,549,186.48 is: 75,277,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,958,932.56 : 139,323,327.20 = 54,549,186.48 : x
  2. Step 2: Convert to fraction form
    100,958,932.56/139,323,327.20 = 54,549,186.48/x
  3. Step 3: Cross multiply
    100,958,932.56x = 139,323,327.20 × 54,549,186.48
  4. Step 4: Simplify right side
    100,958,932.56x = 7,599,974,156,446,855
  5. Step 5: Solve for x
    x = 7,599,974,156,446,855/100,958,932.56
  6. Step 6: Final answer
    x = 75,277,877.49

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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.