Home / 87,664,587.60-131,496,881.40-73,421,968.80

Finding the Fourth Proportional to 87,664,587.60, 131,496,881.40 and 73,421,968.80

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Solution

The fourth proportional to 87,664,587.60, 131,496,881.40 and 73,421,968.80 is: 110,132,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664,587.60 : 131,496,881.40 = 73,421,968.80 : x
  2. Step 2: Convert to fraction form
    87,664,587.60/131,496,881.40 = 73,421,968.80/x
  3. Step 3: Cross multiply
    87,664,587.60x = 131,496,881.40 × 73,421,968.80
  4. Step 4: Simplify right side
    87,664,587.60x = 9,654,759,923,448,100
  5. Step 5: Solve for x
    x = 9,654,759,923,448,100/87,664,587.60
  6. Step 6: Final answer
    x = 110,132,953.20

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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.