Home / 82,989,989.60-124,401,003.60-48,893,784.80

Finding the Fourth Proportional to 82,989,989.60, 124,401,003.60 and 48,893,784.80

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Solution

The fourth proportional to 82,989,989.60, 124,401,003.60 and 48,893,784.80 is: 73,291,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989,989.60 : 124,401,003.60 = 48,893,784.80 : x
  2. Step 2: Convert to fraction form
    82,989,989.60/124,401,003.60 = 48,893,784.80/x
  3. Step 3: Cross multiply
    82,989,989.60x = 124,401,003.60 × 48,893,784.80
  4. Step 4: Simplify right side
    82,989,989.60x = 6,082,435,898,922,425
  5. Step 5: Solve for x
    x = 6,082,435,898,922,425/82,989,989.60
  6. Step 6: Final answer
    x = 73,291,199.68

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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.