Home / 76,167,156.80-105,110,343.96-41,359,564.64

Finding the Fourth Proportional to 76,167,156.80, 105,110,343.96 and 41,359,564.64

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Solution

The fourth proportional to 76,167,156.80, 105,110,343.96 and 41,359,564.64 is: 57,076,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,167,156.80 : 105,110,343.96 = 41,359,564.64 : x
  2. Step 2: Convert to fraction form
    76,167,156.80/105,110,343.96 = 41,359,564.64/x
  3. Step 3: Cross multiply
    76,167,156.80x = 105,110,343.96 × 41,359,564.64
  4. Step 4: Simplify right side
    76,167,156.80x = 4,347,318,065,346,253.50
  5. Step 5: Solve for x
    x = 4,347,318,065,346,253.50/76,167,156.80
  6. Step 6: Final answer
    x = 57,076,018.69

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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.