Home / 163,686,643.20-244,821,376.80-146,538,813.60

Finding the Fourth Proportional to 163,686,643.20, 244,821,376.80 and 146,538,813.60

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Solution

The fourth proportional to 163,686,643.20, 244,821,376.80 and 146,538,813.60 is: 219,173,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,686,643.20 : 244,821,376.80 = 146,538,813.60 : x
  2. Step 2: Convert to fraction form
    163,686,643.20/244,821,376.80 = 146,538,813.60/x
  3. Step 3: Cross multiply
    163,686,643.20x = 244,821,376.80 × 146,538,813.60
  4. Step 4: Simplify right side
    163,686,643.20x = 35,875,834,100,190,564
  5. Step 5: Solve for x
    x = 35,875,834,100,190,564/163,686,643.20
  6. Step 6: Final answer
    x = 219,173,864.15

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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.