Home / 160,393,522.53-221,337,140.44-87,053,089.89

Finding the Fourth Proportional to 160,393,522.53, 221,337,140.44 and 87,053,089.89

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Solution

The fourth proportional to 160,393,522.53, 221,337,140.44 and 87,053,089.89 is: 120,130,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,393,522.53 : 221,337,140.44 = 87,053,089.89 : x
  2. Step 2: Convert to fraction form
    160,393,522.53/221,337,140.44 = 87,053,089.89/x
  3. Step 3: Cross multiply
    160,393,522.53x = 221,337,140.44 × 87,053,089.89
  4. Step 4: Simplify right side
    160,393,522.53x = 19,268,081,982,718,876
  5. Step 5: Solve for x
    x = 19,268,081,982,718,876/160,393,522.53
  6. Step 6: Final answer
    x = 120,130,050.63

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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.