Home / 60,138,205.16-82,947,843.12-55,192,581.68

Finding the Fourth Proportional to 60,138,205.16, 82,947,843.12 and 55,192,581.68

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Solution

The fourth proportional to 60,138,205.16, 82,947,843.12 and 55,192,581.68 is: 76,126,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138,205.16 : 82,947,843.12 = 55,192,581.68 : x
  2. Step 2: Convert to fraction form
    60,138,205.16/82,947,843.12 = 55,192,581.68/x
  3. Step 3: Cross multiply
    60,138,205.16x = 82,947,843.12 × 55,192,581.68
  4. Step 4: Simplify right side
    60,138,205.16x = 4,578,105,606,580,426
  5. Step 5: Solve for x
    x = 4,578,105,606,580,426/60,138,205.16
  6. Step 6: Final answer
    x = 76,126,409.07

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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.