Home / 74,954,930.40-112,432,395.60-36,641,023.20

Finding the Fourth Proportional to 74,954,930.40, 112,432,395.60 and 36,641,023.20

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Solution

The fourth proportional to 74,954,930.40, 112,432,395.60 and 36,641,023.20 is: 54,961,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954,930.40 : 112,432,395.60 = 36,641,023.20 : x
  2. Step 2: Convert to fraction form
    74,954,930.40/112,432,395.60 = 36,641,023.20/x
  3. Step 3: Cross multiply
    74,954,930.40x = 112,432,395.60 × 36,641,023.20
  4. Step 4: Simplify right side
    74,954,930.40x = 4,119,638,015,611,178
  5. Step 5: Solve for x
    x = 4,119,638,015,611,178/74,954,930.40
  6. Step 6: Final answer
    x = 54,961,534.80

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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.