Home / 128,593,843.60-192,912,019.80-59,575,622.80

Finding the Fourth Proportional to 128,593,843.60, 192,912,019.80 and 59,575,622.80

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Solution

The fourth proportional to 128,593,843.60, 192,912,019.80 and 59,575,622.80 is: 89,373,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,593,843.60 : 192,912,019.80 = 59,575,622.80 : x
  2. Step 2: Convert to fraction form
    128,593,843.60/192,912,019.80 = 59,575,622.80/x
  3. Step 3: Cross multiply
    128,593,843.60x = 192,912,019.80 × 59,575,622.80
  4. Step 4: Simplify right side
    128,593,843.60x = 11,492,853,725,190,932
  5. Step 5: Solve for x
    x = 11,492,853,725,190,932/128,593,843.60
  6. Step 6: Final answer
    x = 89,373,281.05

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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.