Home / 160,686,104.36-221,749,253.66-90,137,353.19

Finding the Fourth Proportional to 160,686,104.36, 221,749,253.66 and 90,137,353.19

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Solution

The fourth proportional to 160,686,104.36, 221,749,253.66 and 90,137,353.19 is: 124,390,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686,104.36 : 221,749,253.66 = 90,137,353.19 : x
  2. Step 2: Convert to fraction form
    160,686,104.36/221,749,253.66 = 90,137,353.19/x
  3. Step 3: Cross multiply
    160,686,104.36x = 221,749,253.66 × 90,137,353.19
  4. Step 4: Simplify right side
    160,686,104.36x = 19,987,890,795,210,888
  5. Step 5: Solve for x
    x = 19,987,890,795,210,888/160,686,104.36
  6. Step 6: Final answer
    x = 124,390,910.31

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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.