Home / 118,897,277.84-164,078,824.68-66,689,103.60

Finding the Fourth Proportional to 118,897,277.84, 164,078,824.68 and 66,689,103.60

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Solution

The fourth proportional to 118,897,277.84, 164,078,824.68 and 66,689,103.60 is: 92,031,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,897,277.84 : 164,078,824.68 = 66,689,103.60 : x
  2. Step 2: Convert to fraction form
    118,897,277.84/164,078,824.68 = 66,689,103.60/x
  3. Step 3: Cross multiply
    118,897,277.84x = 164,078,824.68 × 66,689,103.60
  4. Step 4: Simplify right side
    118,897,277.84x = 10,942,269,737,650,758
  5. Step 5: Solve for x
    x = 10,942,269,737,650,758/118,897,277.84
  6. Step 6: Final answer
    x = 92,031,289.00

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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.