Home / 138,983,113.94-208,476,147.13-41,939,674.58

Finding the Fourth Proportional to 138,983,113.94, 208,476,147.13 and 41,939,674.58

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Solution

The fourth proportional to 138,983,113.94, 208,476,147.13 and 41,939,674.58 is: 62,909,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,983,113.94 : 208,476,147.13 = 41,939,674.58 : x
  2. Step 2: Convert to fraction form
    138,983,113.94/208,476,147.13 = 41,939,674.58/x
  3. Step 3: Cross multiply
    138,983,113.94x = 208,476,147.13 × 41,939,674.58
  4. Step 4: Simplify right side
    138,983,113.94x = 8,743,421,768,740,743
  5. Step 5: Solve for x
    x = 8,743,421,768,740,743/138,983,113.94
  6. Step 6: Final answer
    x = 62,909,957.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.