Home / 103,621,379.60-155,432,069.40-73,363,408.40

Finding the Fourth Proportional to 103,621,379.60, 155,432,069.40 and 73,363,408.40

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Solution

The fourth proportional to 103,621,379.60, 155,432,069.40 and 73,363,408.40 is: 110,045,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621,379.60 : 155,432,069.40 = 73,363,408.40 : x
  2. Step 2: Convert to fraction form
    103,621,379.60/155,432,069.40 = 73,363,408.40/x
  3. Step 3: Cross multiply
    103,621,379.60x = 155,432,069.40 × 73,363,408.40
  4. Step 4: Simplify right side
    103,621,379.60x = 11,403,026,385,849,344
  5. Step 5: Solve for x
    x = 11,403,026,385,849,344/103,621,379.60
  6. Step 6: Final answer
    x = 110,045,112.60

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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.