Home / 160,361,905.23-221,299,430.94-87,023,047.23

Finding the Fourth Proportional to 160,361,905.23, 221,299,430.94 and 87,023,047.23

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Solution

The fourth proportional to 160,361,905.23, 221,299,430.94 and 87,023,047.23 is: 120,091,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,361,905.23 : 221,299,430.94 = 87,023,047.23 : x
  2. Step 2: Convert to fraction form
    160,361,905.23/221,299,430.94 = 87,023,047.23/x
  3. Step 3: Cross multiply
    160,361,905.23x = 221,299,430.94 × 87,023,047.23
  4. Step 4: Simplify right side
    160,361,905.23x = 19,258,150,830,663,744
  5. Step 5: Solve for x
    x = 19,258,150,830,663,744/160,361,905.23
  6. Step 6: Final answer
    x = 120,091,806.11

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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.