Home / 103,621,385.60-155,432,078.40-73,363,414.40

Finding the Fourth Proportional to 103,621,385.60, 155,432,078.40 and 73,363,414.40

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Solution

The fourth proportional to 103,621,385.60, 155,432,078.40 and 73,363,414.40 is: 110,045,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621,385.60 : 155,432,078.40 = 73,363,414.40 : x
  2. Step 2: Convert to fraction form
    103,621,385.60/155,432,078.40 = 73,363,414.40/x
  3. Step 3: Cross multiply
    103,621,385.60x = 155,432,078.40 × 73,363,414.40
  4. Step 4: Simplify right side
    103,621,385.60x = 11,403,027,978,712,490
  5. Step 5: Solve for x
    x = 11,403,027,978,712,490/103,621,385.60
  6. Step 6: Final answer
    x = 110,045,121.60

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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.