Home / 85,176,917.40-127,765,376.10-70,816,200.60

Finding the Fourth Proportional to 85,176,917.40, 127,765,376.10 and 70,816,200.60

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Solution

The fourth proportional to 85,176,917.40, 127,765,376.10 and 70,816,200.60 is: 106,224,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,176,917.40 : 127,765,376.10 = 70,816,200.60 : x
  2. Step 2: Convert to fraction form
    85,176,917.40/127,765,376.10 = 70,816,200.60/x
  3. Step 3: Cross multiply
    85,176,917.40x = 127,765,376.10 × 70,816,200.60
  4. Step 4: Simplify right side
    85,176,917.40x = 9,047,858,503,632,044
  5. Step 5: Solve for x
    x = 9,047,858,503,632,044/85,176,917.40
  6. Step 6: Final answer
    x = 106,224,300.90

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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.