Home / 223,916,864.30-336,026,632.55-78,351,686.74

Finding the Fourth Proportional to 223,916,864.30, 336,026,632.55 and 78,351,686.74

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Solution

The fourth proportional to 223,916,864.30, 336,026,632.55 and 78,351,686.74 is: 117,580,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,916,864.30 : 336,026,632.55 = 78,351,686.74 : x
  2. Step 2: Convert to fraction form
    223,916,864.30/336,026,632.55 = 78,351,686.74/x
  3. Step 3: Cross multiply
    223,916,864.30x = 336,026,632.55 × 78,351,686.74
  4. Step 4: Simplify right side
    223,916,864.30x = 26,328,253,449,882,960
  5. Step 5: Solve for x
    x = 26,328,253,449,882,960/223,916,864.30
  6. Step 6: Final answer
    x = 117,580,484.76

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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.