Home / 160,361,906.23-221,299,432.32-87,023,048.23

Finding the Fourth Proportional to 160,361,906.23, 221,299,432.32 and 87,023,048.23

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Solution

The fourth proportional to 160,361,906.23, 221,299,432.32 and 87,023,048.23 is: 120,091,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,361,906.23 : 221,299,432.32 = 87,023,048.23 : x
  2. Step 2: Convert to fraction form
    160,361,906.23/221,299,432.32 = 87,023,048.23/x
  3. Step 3: Cross multiply
    160,361,906.23x = 221,299,432.32 × 87,023,048.23
  4. Step 4: Simplify right side
    160,361,906.23x = 19,258,151,172,054,980
  5. Step 5: Solve for x
    x = 19,258,151,172,054,980/160,361,906.23
  6. Step 6: Final answer
    x = 120,091,807.49

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1.5x scale

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.