Home / 86,824,107.69-119,818,672.43-47,669,493.93

Finding the Fourth Proportional to 86,824,107.69, 119,818,672.43 and 47,669,493.93

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Solution

The fourth proportional to 86,824,107.69, 119,818,672.43 and 47,669,493.93 is: 65,784,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,824,107.69 : 119,818,672.43 = 47,669,493.93 : x
  2. Step 2: Convert to fraction form
    86,824,107.69/119,818,672.43 = 47,669,493.93/x
  3. Step 3: Cross multiply
    86,824,107.69x = 119,818,672.43 × 47,669,493.93
  4. Step 4: Simplify right side
    86,824,107.69x = 5,711,695,478,102,544
  5. Step 5: Solve for x
    x = 5,711,695,478,102,544/86,824,107.69
  6. Step 6: Final answer
    x = 65,784,672.37

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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.