Home / 60,697,721.60-91,046,582.40-54,320,429.60

Finding the Fourth Proportional to 60,697,721.60, 91,046,582.40 and 54,320,429.60

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Solution

The fourth proportional to 60,697,721.60, 91,046,582.40 and 54,320,429.60 is: 81,480,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,697,721.60 : 91,046,582.40 = 54,320,429.60 : x
  2. Step 2: Convert to fraction form
    60,697,721.60/91,046,582.40 = 54,320,429.60/x
  3. Step 3: Cross multiply
    60,697,721.60x = 91,046,582.40 × 54,320,429.60
  4. Step 4: Simplify right side
    60,697,721.60x = 4,945,689,469,579,799
  5. Step 5: Solve for x
    x = 4,945,689,469,579,799/60,697,721.60
  6. Step 6: Final answer
    x = 81,480,644.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.