Home / 205,398,977.09-283,457,443.31-112,579,722.77

Finding the Fourth Proportional to 205,398,977.09, 283,457,443.31 and 112,579,722.77

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Solution

The fourth proportional to 205,398,977.09, 283,457,443.31 and 112,579,722.77 is: 155,363,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,398,977.09 : 283,457,443.31 = 112,579,722.77 : x
  2. Step 2: Convert to fraction form
    205,398,977.09/283,457,443.31 = 112,579,722.77/x
  3. Step 3: Cross multiply
    205,398,977.09x = 283,457,443.31 × 112,579,722.77
  4. Step 4: Simplify right side
    205,398,977.09x = 31,911,560,384,604,004
  5. Step 5: Solve for x
    x = 31,911,560,384,604,004/205,398,977.09
  6. Step 6: Final answer
    x = 155,363,774.63

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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.