Home / 83,669,135.30-125,503,702.95-83,190,838.40

Finding the Fourth Proportional to 83,669,135.30, 125,503,702.95 and 83,190,838.40

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Solution

The fourth proportional to 83,669,135.30, 125,503,702.95 and 83,190,838.40 is: 124,786,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669,135.30 : 125,503,702.95 = 83,190,838.40 : x
  2. Step 2: Convert to fraction form
    83,669,135.30/125,503,702.95 = 83,190,838.40/x
  3. Step 3: Cross multiply
    83,669,135.30x = 125,503,702.95 × 83,190,838.40
  4. Step 4: Simplify right side
    83,669,135.30x = 10,440,758,270,715,054
  5. Step 5: Solve for x
    x = 10,440,758,270,715,054/83,669,135.30
  6. Step 6: Final answer
    x = 124,786,257.60

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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.