Home / 221,584,026-305,786,085.48-123,798,882

Finding the Fourth Proportional to 221,584,026, 305,786,085.48 and 123,798,882

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Solution

The fourth proportional to 221,584,026, 305,786,085.48 and 123,798,882 is: 170,842,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,584,026 : 305,786,085.48 = 123,798,882 : x
  2. Step 2: Convert to fraction form
    221,584,026/305,786,085.48 = 123,798,882/x
  3. Step 3: Cross multiply
    221,584,026x = 305,786,085.48 × 123,798,882
  4. Step 4: Simplify right side
    221,584,026x = 37,855,975,513,580,432
  5. Step 5: Solve for x
    x = 37,855,975,513,580,432/221,584,026
  6. Step 6: Final answer
    x = 170,842,529.57

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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.