Home / 138,093,869.88-190,566,839.23-75,370,417.54

Finding the Fourth Proportional to 138,093,869.88, 190,566,839.23 and 75,370,417.54

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Solution

The fourth proportional to 138,093,869.88, 190,566,839.23 and 75,370,417.54 is: 104,009,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,093,869.88 : 190,566,839.23 = 75,370,417.54 : x
  2. Step 2: Convert to fraction form
    138,093,869.88/190,566,839.23 = 75,370,417.54/x
  3. Step 3: Cross multiply
    138,093,869.88x = 190,566,839.23 × 75,370,417.54
  4. Step 4: Simplify right side
    138,093,869.88x = 14,363,102,241,378,308
  5. Step 5: Solve for x
    x = 14,363,102,241,378,308/138,093,869.88
  6. Step 6: Final answer
    x = 104,009,701.91

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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.