Home / 51,200,475.65-70,663,568.92-28,878,043.78

Finding the Fourth Proportional to 51,200,475.65, 70,663,568.92 and 28,878,043.78

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Solution

The fourth proportional to 51,200,475.65, 70,663,568.92 and 28,878,043.78 is: 39,855,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200,475.65 : 70,663,568.92 = 28,878,043.78 : x
  2. Step 2: Convert to fraction form
    51,200,475.65/70,663,568.92 = 28,878,043.78/x
  3. Step 3: Cross multiply
    51,200,475.65x = 70,663,568.92 × 28,878,043.78
  4. Step 4: Simplify right side
    51,200,475.65x = 2,040,625,636,922,807.50
  5. Step 5: Solve for x
    x = 2,040,625,636,922,807.50/51,200,475.65
  6. Step 6: Final answer
    x = 39,855,599.21

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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.