Home / 363,965,125.50-545,947,688.25-121,628,029.50

Finding the Fourth Proportional to 363,965,125.50, 545,947,688.25 and 121,628,029.50

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Solution

The fourth proportional to 363,965,125.50, 545,947,688.25 and 121,628,029.50 is: 182,442,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,965,125.50 : 545,947,688.25 = 121,628,029.50 : x
  2. Step 2: Convert to fraction form
    363,965,125.50/545,947,688.25 = 121,628,029.50/x
  3. Step 3: Cross multiply
    363,965,125.50x = 545,947,688.25 × 121,628,029.50
  4. Step 4: Simplify right side
    363,965,125.50x = 66,402,541,531,927,800
  5. Step 5: Solve for x
    x = 66,402,541,531,927,800/363,965,125.50
  6. Step 6: Final answer
    x = 182,442,044.25

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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.