Home / 109,274,085.20-163,698,551.40-66,014,787.80

Finding the Fourth Proportional to 109,274,085.20, 163,698,551.40 and 66,014,787.80

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Solution

The fourth proportional to 109,274,085.20, 163,698,551.40 and 66,014,787.80 is: 98,893,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,085.20 : 163,698,551.40 = 66,014,787.80 : x
  2. Step 2: Convert to fraction form
    109,274,085.20/163,698,551.40 = 66,014,787.80/x
  3. Step 3: Cross multiply
    109,274,085.20x = 163,698,551.40 × 66,014,787.80
  4. Step 4: Simplify right side
    109,274,085.20x = 10,806,525,133,838,392
  5. Step 5: Solve for x
    x = 10,806,525,133,838,392/109,274,085.20
  6. Step 6: Final answer
    x = 98,893,759.80

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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.