Home / 305,990,035.30-422,267,678.70-173,838,283.34

Finding the Fourth Proportional to 305,990,035.30, 422,267,678.70 and 173,838,283.34

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Solution

The fourth proportional to 305,990,035.30, 422,267,678.70 and 173,838,283.34 is: 239,897,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,990,035.30 : 422,267,678.70 = 173,838,283.34 : x
  2. Step 2: Convert to fraction form
    305,990,035.30/422,267,678.70 = 173,838,283.34/x
  3. Step 3: Cross multiply
    305,990,035.30x = 422,267,678.70 × 173,838,283.34
  4. Step 4: Simplify right side
    305,990,035.30x = 73,406,288,375,174,688
  5. Step 5: Solve for x
    x = 73,406,288,375,174,688/305,990,035.30
  6. Step 6: Final answer
    x = 239,897,643.41

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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.