Home / 43,776,074.40-65,664,111.60-42,880,279.20

Finding the Fourth Proportional to 43,776,074.40, 65,664,111.60 and 42,880,279.20

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Solution

The fourth proportional to 43,776,074.40, 65,664,111.60 and 42,880,279.20 is: 64,320,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,074.40 : 65,664,111.60 = 42,880,279.20 : x
  2. Step 2: Convert to fraction form
    43,776,074.40/65,664,111.60 = 42,880,279.20/x
  3. Step 3: Cross multiply
    43,776,074.40x = 65,664,111.60 × 42,880,279.20
  4. Step 4: Simplify right side
    43,776,074.40x = 2,815,695,438,827,959
  5. Step 5: Solve for x
    x = 2,815,695,438,827,959/43,776,074.40
  6. Step 6: Final answer
    x = 64,320,418.80

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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.