Home / 100,821,628.40-151,232,442.60-49,728,124.40

Finding the Fourth Proportional to 100,821,628.40, 151,232,442.60 and 49,728,124.40

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Solution

The fourth proportional to 100,821,628.40, 151,232,442.60 and 49,728,124.40 is: 74,592,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,821,628.40 : 151,232,442.60 = 49,728,124.40 : x
  2. Step 2: Convert to fraction form
    100,821,628.40/151,232,442.60 = 49,728,124.40/x
  3. Step 3: Cross multiply
    100,821,628.40x = 151,232,442.60 × 49,728,124.40
  4. Step 4: Simplify right side
    100,821,628.40x = 7,520,505,718,928,659
  5. Step 5: Solve for x
    x = 7,520,505,718,928,659/100,821,628.40
  6. Step 6: Final answer
    x = 74,592,186.60

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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.