Home / 76,695,801.12-105,842,497.44-41,890,133.52

Finding the Fourth Proportional to 76,695,801.12, 105,842,497.44 and 41,890,133.52

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Solution

The fourth proportional to 76,695,801.12, 105,842,497.44 and 41,890,133.52 is: 57,809,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,695,801.12 : 105,842,497.44 = 41,890,133.52 : x
  2. Step 2: Convert to fraction form
    76,695,801.12/105,842,497.44 = 41,890,133.52/x
  3. Step 3: Cross multiply
    76,695,801.12x = 105,842,497.44 × 41,890,133.52
  4. Step 4: Simplify right side
    76,695,801.12x = 4,433,756,349,851,858.50
  5. Step 5: Solve for x
    x = 4,433,756,349,851,858.50/76,695,801.12
  6. Step 6: Final answer
    x = 57,809,636.06

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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.