Home / 43,776,007.90-65,664,011.85-42,880,212.70

Finding the Fourth Proportional to 43,776,007.90, 65,664,011.85 and 42,880,212.70

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Solution

The fourth proportional to 43,776,007.90, 65,664,011.85 and 42,880,212.70 is: 64,320,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,007.90 : 65,664,011.85 = 42,880,212.70 : x
  2. Step 2: Convert to fraction form
    43,776,007.90/65,664,011.85 = 42,880,212.70/x
  3. Step 3: Cross multiply
    43,776,007.90x = 65,664,011.85 × 42,880,212.70
  4. Step 4: Simplify right side
    43,776,007.90x = 2,815,686,794,863,321
  5. Step 5: Solve for x
    x = 2,815,686,794,863,321/43,776,007.90
  6. Step 6: Final answer
    x = 64,320,319.05

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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.