Home / 193,414,336.40-266,909,280.54-105,307,323.50

Finding the Fourth Proportional to 193,414,336.40, 266,909,280.54 and 105,307,323.50

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Solution

The fourth proportional to 193,414,336.40, 266,909,280.54 and 105,307,323.50 is: 145,322,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,414,336.40 : 266,909,280.54 = 105,307,323.50 : x
  2. Step 2: Convert to fraction form
    193,414,336.40/266,909,280.54 = 105,307,323.50/x
  3. Step 3: Cross multiply
    193,414,336.40x = 266,909,280.54 × 105,307,323.50
  4. Step 4: Simplify right side
    193,414,336.40x = 28,107,501,949,643,488
  5. Step 5: Solve for x
    x = 28,107,501,949,643,488/193,414,336.40
  6. Step 6: Final answer
    x = 145,322,743.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.