Home / 43,776,132.90-65,664,199.35-42,880,337.70

Finding the Fourth Proportional to 43,776,132.90, 65,664,199.35 and 42,880,337.70

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Solution

The fourth proportional to 43,776,132.90, 65,664,199.35 and 42,880,337.70 is: 64,320,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,132.90 : 65,664,199.35 = 42,880,337.70 : x
  2. Step 2: Convert to fraction form
    43,776,132.90/65,664,199.35 = 42,880,337.70/x
  3. Step 3: Cross multiply
    43,776,132.90x = 65,664,199.35 × 42,880,337.70
  4. Step 4: Simplify right side
    43,776,132.90x = 2,815,703,042,928,121
  5. Step 5: Solve for x
    x = 2,815,703,042,928,121/43,776,132.90
  6. Step 6: Final answer
    x = 64,320,506.55

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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.