Home / 92,989,266.60-139,483,899.90-81,651,858.60

Finding the Fourth Proportional to 92,989,266.60, 139,483,899.90 and 81,651,858.60

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Solution

The fourth proportional to 92,989,266.60, 139,483,899.90 and 81,651,858.60 is: 122,477,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,989,266.60 : 139,483,899.90 = 81,651,858.60 : x
  2. Step 2: Convert to fraction form
    92,989,266.60/139,483,899.90 = 81,651,858.60/x
  3. Step 3: Cross multiply
    92,989,266.60x = 139,483,899.90 × 81,651,858.60
  4. Step 4: Simplify right side
    92,989,266.60x = 11,389,119,671,611,354
  5. Step 5: Solve for x
    x = 11,389,119,671,611,354/92,989,266.60
  6. Step 6: Final answer
    x = 122,477,787.90

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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.