Home / 52,509,145.72-72,466,627.44-28,992,216.25

Finding the Fourth Proportional to 52,509,145.72, 72,466,627.44 and 28,992,216.25

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Solution

The fourth proportional to 52,509,145.72, 72,466,627.44 and 28,992,216.25 is: 40,011,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,509,145.72 : 72,466,627.44 = 28,992,216.25 : x
  2. Step 2: Convert to fraction form
    52,509,145.72/72,466,627.44 = 28,992,216.25/x
  3. Step 3: Cross multiply
    52,509,145.72x = 72,466,627.44 × 28,992,216.25
  4. Step 4: Simplify right side
    52,509,145.72x = 2,100,968,133,648,663.75
  5. Step 5: Solve for x
    x = 2,100,968,133,648,663.75/52,509,145.72
  6. Step 6: Final answer
    x = 40,011,470.48

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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.