Home / 43,776,007.65-65,664,011.48-42,880,212.45

Finding the Fourth Proportional to 43,776,007.65, 65,664,011.48 and 42,880,212.45

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Solution

The fourth proportional to 43,776,007.65, 65,664,011.48 and 42,880,212.45 is: 64,320,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,007.65 : 65,664,011.48 = 42,880,212.45 : x
  2. Step 2: Convert to fraction form
    43,776,007.65/65,664,011.48 = 42,880,212.45/x
  3. Step 3: Cross multiply
    43,776,007.65x = 65,664,011.48 × 42,880,212.45
  4. Step 4: Simplify right side
    43,776,007.65x = 2,815,686,762,367,238
  5. Step 5: Solve for x
    x = 2,815,686,762,367,238/43,776,007.65
  6. Step 6: Final answer
    x = 64,320,318.68

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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.