Home / 128,548,231.40-192,822,347.10-110,054,084.60

Finding the Fourth Proportional to 128,548,231.40, 192,822,347.10 and 110,054,084.60

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Solution

The fourth proportional to 128,548,231.40, 192,822,347.10 and 110,054,084.60 is: 165,081,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,548,231.40 : 192,822,347.10 = 110,054,084.60 : x
  2. Step 2: Convert to fraction form
    128,548,231.40/192,822,347.10 = 110,054,084.60/x
  3. Step 3: Cross multiply
    128,548,231.40x = 192,822,347.10 × 110,054,084.60
  4. Step 4: Simplify right side
    128,548,231.40x = 21,220,886,900,513,964
  5. Step 5: Solve for x
    x = 21,220,886,900,513,964/128,548,231.40
  6. Step 6: Final answer
    x = 165,081,126.90

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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.