Home / 74,809,328.60-112,025,036.10-49,111,203.80

Finding the Fourth Proportional to 74,809,328.60, 112,025,036.10 and 49,111,203.80

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Solution

The fourth proportional to 74,809,328.60, 112,025,036.10 and 49,111,203.80 is: 73,542,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,809,328.60 : 112,025,036.10 = 49,111,203.80 : x
  2. Step 2: Convert to fraction form
    74,809,328.60/112,025,036.10 = 49,111,203.80/x
  3. Step 3: Cross multiply
    74,809,328.60x = 112,025,036.10 × 49,111,203.80
  4. Step 4: Simplify right side
    74,809,328.60x = 5,501,684,378,609,457
  5. Step 5: Solve for x
    x = 5,501,684,378,609,457/74,809,328.60
  6. Step 6: Final answer
    x = 73,542,758.39

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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.