Home / 70,204,951.60-105,307,427.40-61,246,999.60

Finding the Fourth Proportional to 70,204,951.60, 105,307,427.40 and 61,246,999.60

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Solution

The fourth proportional to 70,204,951.60, 105,307,427.40 and 61,246,999.60 is: 91,870,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,204,951.60 : 105,307,427.40 = 61,246,999.60 : x
  2. Step 2: Convert to fraction form
    70,204,951.60/105,307,427.40 = 61,246,999.60/x
  3. Step 3: Cross multiply
    70,204,951.60x = 105,307,427.40 × 61,246,999.60
  4. Step 4: Simplify right side
    70,204,951.60x = 6,449,763,963,844,830
  5. Step 5: Solve for x
    x = 6,449,763,963,844,830/70,204,951.60
  6. Step 6: Final answer
    x = 91,870,499.40

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Similar ratio
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1.5x scale

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.