Home / 55,424,999.04-76,483,408.32-30,643,753.20

Finding the Fourth Proportional to 55,424,999.04, 76,483,408.32 and 30,643,753.20

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Solution

The fourth proportional to 55,424,999.04, 76,483,408.32 and 30,643,753.20 is: 42,286,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424,999.04 : 76,483,408.32 = 30,643,753.20 : x
  2. Step 2: Convert to fraction form
    55,424,999.04/76,483,408.32 = 30,643,753.20/x
  3. Step 3: Cross multiply
    55,424,999.04x = 76,483,408.32 × 30,643,753.20
  4. Step 4: Simplify right side
    55,424,999.04x = 2,343,738,688,452,906.50
  5. Step 5: Solve for x
    x = 2,343,738,688,452,906.50/55,424,999.04
  6. Step 6: Final answer
    x = 42,286,670.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.