Home / 160,393,521.78-221,337,139.41-87,053,089.14

Finding the Fourth Proportional to 160,393,521.78, 221,337,139.41 and 87,053,089.14

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Solution

The fourth proportional to 160,393,521.78, 221,337,139.41 and 87,053,089.14 is: 120,130,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,393,521.78 : 221,337,139.41 = 87,053,089.14 : x
  2. Step 2: Convert to fraction form
    160,393,521.78/221,337,139.41 = 87,053,089.14/x
  3. Step 3: Cross multiply
    160,393,521.78x = 221,337,139.41 × 87,053,089.14
  4. Step 4: Simplify right side
    160,393,521.78x = 19,268,081,727,051,336
  5. Step 5: Solve for x
    x = 19,268,081,727,051,336/160,393,521.78
  6. Step 6: Final answer
    x = 120,130,049.60

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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.