Home / 141,393,157.56-195,119,498.58-81,856,977.60

Finding the Fourth Proportional to 141,393,157.56, 195,119,498.58 and 81,856,977.60

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Solution

The fourth proportional to 141,393,157.56, 195,119,498.58 and 81,856,977.60 is: 112,960,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,393,157.56 : 195,119,498.58 = 81,856,977.60 : x
  2. Step 2: Convert to fraction form
    141,393,157.56/195,119,498.58 = 81,856,977.60/x
  3. Step 3: Cross multiply
    141,393,157.56x = 195,119,498.58 × 81,856,977.60
  4. Step 4: Simplify right side
    141,393,157.56x = 15,971,892,424,586,292
  5. Step 5: Solve for x
    x = 15,971,892,424,586,292/141,393,157.56
  6. Step 6: Final answer
    x = 112,960,858.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.