Home / 117,593,902.40-176,390,853.60-85,177,313.60

Finding the Fourth Proportional to 117,593,902.40, 176,390,853.60 and 85,177,313.60

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Solution

The fourth proportional to 117,593,902.40, 176,390,853.60 and 85,177,313.60 is: 127,765,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,593,902.40 : 176,390,853.60 = 85,177,313.60 : x
  2. Step 2: Convert to fraction form
    117,593,902.40/176,390,853.60 = 85,177,313.60/x
  3. Step 3: Cross multiply
    117,593,902.40x = 176,390,853.60 × 85,177,313.60
  4. Step 4: Simplify right side
    117,593,902.40x = 15,024,499,053,258,888
  5. Step 5: Solve for x
    x = 15,024,499,053,258,888/117,593,902.40
  6. Step 6: Final answer
    x = 127,765,970.40

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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.