Home / 82,360,972.80-113,610,920.76-51,367,333.68

Finding the Fourth Proportional to 82,360,972.80, 113,610,920.76 and 51,367,333.68

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Solution

The fourth proportional to 82,360,972.80, 113,610,920.76 and 51,367,333.68 is: 70,857,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,360,972.80 : 113,610,920.76 = 51,367,333.68 : x
  2. Step 2: Convert to fraction form
    82,360,972.80/113,610,920.76 = 51,367,333.68/x
  3. Step 3: Cross multiply
    82,360,972.80x = 113,610,920.76 × 51,367,333.68
  4. Step 4: Simplify right side
    82,360,972.80x = 5,835,890,076,370,959
  5. Step 5: Solve for x
    x = 5,835,890,076,370,959/82,360,972.80
  6. Step 6: Final answer
    x = 70,857,468.99

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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.