Home / 81,563,934.15-112,567,813.63-45,806,251.48

Finding the Fourth Proportional to 81,563,934.15, 112,567,813.63 and 45,806,251.48

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Solution

The fourth proportional to 81,563,934.15, 112,567,813.63 and 45,806,251.48 is: 63,218,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,563,934.15 : 112,567,813.63 = 45,806,251.48 : x
  2. Step 2: Convert to fraction form
    81,563,934.15/112,567,813.63 = 45,806,251.48/x
  3. Step 3: Cross multiply
    81,563,934.15x = 112,567,813.63 × 45,806,251.48
  4. Step 4: Simplify right side
    81,563,934.15x = 5,156,309,579,293,616
  5. Step 5: Solve for x
    x = 5,156,309,579,293,616/81,563,934.15
  6. Step 6: Final answer
    x = 63,218,009.69

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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.