Home / 76,184,465.12-105,131,043.12-43,144,950.68

Finding the Fourth Proportional to 76,184,465.12, 105,131,043.12 and 43,144,950.68

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Solution

The fourth proportional to 76,184,465.12, 105,131,043.12 and 43,144,950.68 is: 59,538,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,184,465.12 : 105,131,043.12 = 43,144,950.68 : x
  2. Step 2: Convert to fraction form
    76,184,465.12/105,131,043.12 = 43,144,950.68/x
  3. Step 3: Cross multiply
    76,184,465.12x = 105,131,043.12 × 43,144,950.68
  4. Step 4: Simplify right side
    76,184,465.12x = 4,535,873,670,349,353
  5. Step 5: Solve for x
    x = 4,535,873,670,349,353/76,184,465.12
  6. Step 6: Final answer
    x = 59,538,039.19

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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.