Home / 130,405,644.40-195,608,466.60-69,939,468.40

Finding the Fourth Proportional to 130,405,644.40, 195,608,466.60 and 69,939,468.40

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Solution

The fourth proportional to 130,405,644.40, 195,608,466.60 and 69,939,468.40 is: 104,909,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,405,644.40 : 195,608,466.60 = 69,939,468.40 : x
  2. Step 2: Convert to fraction form
    130,405,644.40/195,608,466.60 = 69,939,468.40/x
  3. Step 3: Cross multiply
    130,405,644.40x = 195,608,466.60 × 69,939,468.40
  4. Step 4: Simplify right side
    130,405,644.40x = 13,680,752,168,543,156
  5. Step 5: Solve for x
    x = 13,680,752,168,543,156/130,405,644.40
  6. Step 6: Final answer
    x = 104,909,202.60

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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.