Home / 160,686,106.22-221,749,256.25-90,137,355.05

Finding the Fourth Proportional to 160,686,106.22, 221,749,256.25 and 90,137,355.05

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Solution

The fourth proportional to 160,686,106.22, 221,749,256.25 and 90,137,355.05 is: 124,390,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686,106.22 : 221,749,256.25 = 90,137,355.05 : x
  2. Step 2: Convert to fraction form
    160,686,106.22/221,749,256.25 = 90,137,355.05/x
  3. Step 3: Cross multiply
    160,686,106.22x = 221,749,256.25 × 90,137,355.05
  4. Step 4: Simplify right side
    160,686,106.22x = 19,987,891,443,234,052
  5. Step 5: Solve for x
    x = 19,987,891,443,234,052/160,686,106.22
  6. Step 6: Final answer
    x = 124,390,912.90

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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.