Home / 51,261,688.67-70,741,130.34-28,056,815.63

Finding the Fourth Proportional to 51,261,688.67, 70,741,130.34 and 28,056,815.63

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Solution

The fourth proportional to 51,261,688.67, 70,741,130.34 and 28,056,815.63 is: 38,718,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261,688.67 : 70,741,130.34 = 28,056,815.63 : x
  2. Step 2: Convert to fraction form
    51,261,688.67/70,741,130.34 = 28,056,815.63/x
  3. Step 3: Cross multiply
    51,261,688.67x = 70,741,130.34 × 28,056,815.63
  4. Step 4: Simplify right side
    51,261,688.67x = 1,984,770,851,423,965.75
  5. Step 5: Solve for x
    x = 1,984,770,851,423,965.75/51,261,688.67
  6. Step 6: Final answer
    x = 38,718,405.56

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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.