Home / 76,181,102.94-105,136,405.65-43,147,228.50

Finding the Fourth Proportional to 76,181,102.94, 105,136,405.65 and 43,147,228.50

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Solution

The fourth proportional to 76,181,102.94, 105,136,405.65 and 43,147,228.50 is: 59,546,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181,102.94 : 105,136,405.65 = 43,147,228.50 : x
  2. Step 2: Convert to fraction form
    76,181,102.94/105,136,405.65 = 43,147,228.50/x
  3. Step 3: Cross multiply
    76,181,102.94x = 105,136,405.65 × 43,147,228.50
  4. Step 4: Simplify right side
    76,181,102.94x = 4,536,344,518,249,241
  5. Step 5: Solve for x
    x = 4,536,344,518,249,241/76,181,102.94
  6. Step 6: Final answer
    x = 59,546,847.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.