Home / 103,621,380.10-155,432,070.15-73,363,408.90

Finding the Fourth Proportional to 103,621,380.10, 155,432,070.15 and 73,363,408.90

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Solution

The fourth proportional to 103,621,380.10, 155,432,070.15 and 73,363,408.90 is: 110,045,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621,380.10 : 155,432,070.15 = 73,363,408.90 : x
  2. Step 2: Convert to fraction form
    103,621,380.10/155,432,070.15 = 73,363,408.90/x
  3. Step 3: Cross multiply
    103,621,380.10x = 155,432,070.15 × 73,363,408.90
  4. Step 4: Simplify right side
    103,621,380.10x = 11,403,026,518,587,936
  5. Step 5: Solve for x
    x = 11,403,026,518,587,936/103,621,380.10
  6. Step 6: Final answer
    x = 110,045,113.35

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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.