Home / 74,768,007.60-112,167,174.60-42,435,399.60

Finding the Fourth Proportional to 74,768,007.60, 112,167,174.60 and 42,435,399.60

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Solution

The fourth proportional to 74,768,007.60, 112,167,174.60 and 42,435,399.60 is: 63,661,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,768,007.60 : 112,167,174.60 = 42,435,399.60 : x
  2. Step 2: Convert to fraction form
    74,768,007.60/112,167,174.60 = 42,435,399.60/x
  3. Step 3: Cross multiply
    74,768,007.60x = 112,167,174.60 × 42,435,399.60
  4. Step 4: Simplify right side
    74,768,007.60x = 4,759,858,876,153,970
  5. Step 5: Solve for x
    x = 4,759,858,876,153,970/74,768,007.60
  6. Step 6: Final answer
    x = 63,661,705.44

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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.