Home / 76,316,550.44-105,307,280.82-51,590,536.20

Finding the Fourth Proportional to 76,316,550.44, 105,307,280.82 and 51,590,536.20

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Solution

The fourth proportional to 76,316,550.44, 105,307,280.82 and 51,590,536.20 is: 71,188,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,316,550.44 : 105,307,280.82 = 51,590,536.20 : x
  2. Step 2: Convert to fraction form
    76,316,550.44/105,307,280.82 = 51,590,536.20/x
  3. Step 3: Cross multiply
    76,316,550.44x = 105,307,280.82 × 51,590,536.20
  4. Step 4: Simplify right side
    76,316,550.44x = 5,432,859,083,267,776
  5. Step 5: Solve for x
    x = 5,432,859,083,267,776/76,316,550.44
  6. Step 6: Final answer
    x = 71,188,478.15

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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.