Home / 128,593,840.60-192,912,015.30-59,575,619.80

Finding the Fourth Proportional to 128,593,840.60, 192,912,015.30 and 59,575,619.80

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Solution

The fourth proportional to 128,593,840.60, 192,912,015.30 and 59,575,619.80 is: 89,373,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,593,840.60 : 192,912,015.30 = 59,575,619.80 : x
  2. Step 2: Convert to fraction form
    128,593,840.60/192,912,015.30 = 59,575,619.80/x
  3. Step 3: Cross multiply
    128,593,840.60x = 192,912,015.30 × 59,575,619.80
  4. Step 4: Simplify right side
    128,593,840.60x = 11,492,852,878,364,584
  5. Step 5: Solve for x
    x = 11,492,852,878,364,584/128,593,840.60
  6. Step 6: Final answer
    x = 89,373,276.55

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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.