Home / 74,903,979.70-112,355,969.55-57,897,867.70

Finding the Fourth Proportional to 74,903,979.70, 112,355,969.55 and 57,897,867.70

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Solution

The fourth proportional to 74,903,979.70, 112,355,969.55 and 57,897,867.70 is: 86,846,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903,979.70 : 112,355,969.55 = 57,897,867.70 : x
  2. Step 2: Convert to fraction form
    74,903,979.70/112,355,969.55 = 57,897,867.70/x
  3. Step 3: Cross multiply
    74,903,979.70x = 112,355,969.55 × 57,897,867.70
  4. Step 4: Simplify right side
    74,903,979.70x = 6,505,171,060,311,129
  5. Step 5: Solve for x
    x = 6,505,171,060,311,129/74,903,979.70
  6. Step 6: Final answer
    x = 86,846,801.55

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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.