Home / 155,450,709.60-233,176,064.40-74,652,194.40

Finding the Fourth Proportional to 155,450,709.60, 233,176,064.40 and 74,652,194.40

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Solution

The fourth proportional to 155,450,709.60, 233,176,064.40 and 74,652,194.40 is: 111,978,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,450,709.60 : 233,176,064.40 = 74,652,194.40 : x
  2. Step 2: Convert to fraction form
    155,450,709.60/233,176,064.40 = 74,652,194.40/x
  3. Step 3: Cross multiply
    155,450,709.60x = 233,176,064.40 × 74,652,194.40
  4. Step 4: Simplify right side
    155,450,709.60x = 17,407,104,889,015,722
  5. Step 5: Solve for x
    x = 17,407,104,889,015,722/155,450,709.60
  6. Step 6: Final answer
    x = 111,978,291.60

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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.