Home / 140,865,698.98-194,365,554.58-81,325,963.35

Finding the Fourth Proportional to 140,865,698.98, 194,365,554.58 and 81,325,963.35

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Solution

The fourth proportional to 140,865,698.98, 194,365,554.58 and 81,325,963.35 is: 112,213,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,865,698.98 : 194,365,554.58 = 81,325,963.35 : x
  2. Step 2: Convert to fraction form
    140,865,698.98/194,365,554.58 = 81,325,963.35/x
  3. Step 3: Cross multiply
    140,865,698.98x = 194,365,554.58 × 81,325,963.35
  4. Step 4: Simplify right side
    140,865,698.98x = 15,806,965,966,897,046
  5. Step 5: Solve for x
    x = 15,806,965,966,897,046/140,865,698.98
  6. Step 6: Final answer
    x = 112,213,023.34

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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.