Home / 100,958,932.31-139,323,326.85-54,549,186.23

Finding the Fourth Proportional to 100,958,932.31, 139,323,326.85 and 54,549,186.23

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Solution

The fourth proportional to 100,958,932.31, 139,323,326.85 and 54,549,186.23 is: 75,277,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,958,932.31 : 139,323,326.85 = 54,549,186.23 : x
  2. Step 2: Convert to fraction form
    100,958,932.31/139,323,326.85 = 54,549,186.23/x
  3. Step 3: Cross multiply
    100,958,932.31x = 139,323,326.85 × 54,549,186.23
  4. Step 4: Simplify right side
    100,958,932.31x = 7,599,974,102,944,750
  5. Step 5: Solve for x
    x = 7,599,974,102,944,750/100,958,932.31
  6. Step 6: Final answer
    x = 75,277,877.14

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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.