Home / 51,278,031.84-70,763,699.88-28,074,632.52

Finding the Fourth Proportional to 51,278,031.84, 70,763,699.88 and 28,074,632.52

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Solution

The fourth proportional to 51,278,031.84, 70,763,699.88 and 28,074,632.52 is: 38,743,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278,031.84 : 70,763,699.88 = 28,074,632.52 : x
  2. Step 2: Convert to fraction form
    51,278,031.84/70,763,699.88 = 28,074,632.52/x
  3. Step 3: Cross multiply
    51,278,031.84x = 70,763,699.88 × 28,074,632.52
  4. Step 4: Simplify right side
    51,278,031.84x = 1,986,664,869,886,568
  5. Step 5: Solve for x
    x = 1,986,664,869,886,568/51,278,031.84
  6. Step 6: Final answer
    x = 38,743,001.61

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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.