Home / 43,776,114.40-65,664,171.60-42,880,319.20

Finding the Fourth Proportional to 43,776,114.40, 65,664,171.60 and 42,880,319.20

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Solution

The fourth proportional to 43,776,114.40, 65,664,171.60 and 42,880,319.20 is: 64,320,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,114.40 : 65,664,171.60 = 42,880,319.20 : x
  2. Step 2: Convert to fraction form
    43,776,114.40/65,664,171.60 = 42,880,319.20/x
  3. Step 3: Cross multiply
    43,776,114.40x = 65,664,171.60 × 42,880,319.20
  4. Step 4: Simplify right side
    43,776,114.40x = 2,815,700,638,211,575
  5. Step 5: Solve for x
    x = 2,815,700,638,211,575/43,776,114.40
  6. Step 6: Final answer
    x = 64,320,478.80

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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.