Home / 160,361,828.37-221,299,324.95-87,022,970.37

Finding the Fourth Proportional to 160,361,828.37, 221,299,324.95 and 87,022,970.37

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Solution

The fourth proportional to 160,361,828.37, 221,299,324.95 and 87,022,970.37 is: 120,091,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,361,828.37 : 221,299,324.95 = 87,022,970.37 : x
  2. Step 2: Convert to fraction form
    160,361,828.37/221,299,324.95 = 87,022,970.37/x
  3. Step 3: Cross multiply
    160,361,828.37x = 221,299,324.95 × 87,022,970.37
  4. Step 4: Simplify right side
    160,361,828.37x = 19,258,124,596,483,240
  5. Step 5: Solve for x
    x = 19,258,124,596,483,240/160,361,828.37
  6. Step 6: Final answer
    x = 120,091,700.08

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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.