Home / 155,028,033.60-232,888,471.20-129,518,865.60

Finding the Fourth Proportional to 155,028,033.60, 232,888,471.20 and 129,518,865.60

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Solution

The fourth proportional to 155,028,033.60, 232,888,471.20 and 129,518,865.60 is: 194,567,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,028,033.60 : 232,888,471.20 = 129,518,865.60 : x
  2. Step 2: Convert to fraction form
    155,028,033.60/232,888,471.20 = 129,518,865.60/x
  3. Step 3: Cross multiply
    155,028,033.60x = 232,888,471.20 × 129,518,865.60
  4. Step 4: Simplify right side
    155,028,033.60x = 30,163,450,601,142,268
  5. Step 5: Solve for x
    x = 30,163,450,601,142,268/155,028,033.60
  6. Step 6: Final answer
    x = 194,567,717.21

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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.