Home / 76,109,318.80-105,030,860.64-41,302,009.19

Finding the Fourth Proportional to 76,109,318.80, 105,030,860.64 and 41,302,009.19

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Solution

The fourth proportional to 76,109,318.80, 105,030,860.64 and 41,302,009.19 is: 56,996,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,109,318.80 : 105,030,860.64 = 41,302,009.19 : x
  2. Step 2: Convert to fraction form
    76,109,318.80/105,030,860.64 = 41,302,009.19/x
  3. Step 3: Cross multiply
    76,109,318.80x = 105,030,860.64 × 41,302,009.19
  4. Step 4: Simplify right side
    76,109,318.80x = 4,337,985,571,386,889
  5. Step 5: Solve for x
    x = 4,337,985,571,386,889/76,109,318.80
  6. Step 6: Final answer
    x = 56,996,773.06

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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.