Home / 109,274,070.20-163,698,528.90-66,014,772.80

Finding the Fourth Proportional to 109,274,070.20, 163,698,528.90 and 66,014,772.80

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Solution

The fourth proportional to 109,274,070.20, 163,698,528.90 and 66,014,772.80 is: 98,893,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,070.20 : 163,698,528.90 = 66,014,772.80 : x
  2. Step 2: Convert to fraction form
    109,274,070.20/163,698,528.90 = 66,014,772.80/x
  3. Step 3: Cross multiply
    109,274,070.20x = 163,698,528.90 × 66,014,772.80
  4. Step 4: Simplify right side
    109,274,070.20x = 10,806,521,193,027,734
  5. Step 5: Solve for x
    x = 10,806,521,193,027,734/109,274,070.20
  6. Step 6: Final answer
    x = 98,893,737.31

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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.