Home / 120,526,328.16-166,319,269.92-65,521,703.52

Finding the Fourth Proportional to 120,526,328.16, 166,319,269.92 and 65,521,703.52

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Solution

The fourth proportional to 120,526,328.16, 166,319,269.92 and 65,521,703.52 is: 90,416,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526,328.16 : 166,319,269.92 = 65,521,703.52 : x
  2. Step 2: Convert to fraction form
    120,526,328.16/166,319,269.92 = 65,521,703.52/x
  3. Step 3: Cross multiply
    120,526,328.16x = 166,319,269.92 × 65,521,703.52
  4. Step 4: Simplify right side
    120,526,328.16x = 10,897,521,893,361,094
  5. Step 5: Solve for x
    x = 10,897,521,893,361,094/120,526,328.16
  6. Step 6: Final answer
    x = 90,416,111.23

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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.