Home / 128,548,230.40-192,822,345.60-110,054,083.60

Finding the Fourth Proportional to 128,548,230.40, 192,822,345.60 and 110,054,083.60

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Solution

The fourth proportional to 128,548,230.40, 192,822,345.60 and 110,054,083.60 is: 165,081,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,548,230.40 : 192,822,345.60 = 110,054,083.60 : x
  2. Step 2: Convert to fraction form
    128,548,230.40/192,822,345.60 = 110,054,083.60/x
  3. Step 3: Cross multiply
    128,548,230.40x = 192,822,345.60 × 110,054,083.60
  4. Step 4: Simplify right side
    128,548,230.40x = 21,220,886,542,610,492
  5. Step 5: Solve for x
    x = 21,220,886,542,610,492/128,548,230.40
  6. Step 6: Final answer
    x = 165,081,125.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.