Home / 51,748,157.92-71,411,206.78-28,542,786.72

Finding the Fourth Proportional to 51,748,157.92, 71,411,206.78 and 28,542,786.72

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Solution

The fourth proportional to 51,748,157.92, 71,411,206.78 and 28,542,786.72 is: 39,388,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,748,157.92 : 71,411,206.78 = 28,542,786.72 : x
  2. Step 2: Convert to fraction form
    51,748,157.92/71,411,206.78 = 28,542,786.72/x
  3. Step 3: Cross multiply
    51,748,157.92x = 71,411,206.78 × 28,542,786.72
  4. Step 4: Simplify right side
    51,748,157.92x = 2,038,274,844,539,358
  5. Step 5: Solve for x
    x = 2,038,274,844,539,358/51,748,157.92
  6. Step 6: Final answer
    x = 39,388,355.58

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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.