Home / 135,432,840.73-186,908,846.55-76,705,953.04

Finding the Fourth Proportional to 135,432,840.73, 186,908,846.55 and 76,705,953.04

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Solution

The fourth proportional to 135,432,840.73, 186,908,846.55 and 76,705,953.04 is: 105,860,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432,840.73 : 186,908,846.55 = 76,705,953.04 : x
  2. Step 2: Convert to fraction form
    135,432,840.73/186,908,846.55 = 76,705,953.04/x
  3. Step 3: Cross multiply
    135,432,840.73x = 186,908,846.55 × 76,705,953.04
  4. Step 4: Simplify right side
    135,432,840.73x = 14,337,021,206,224,868
  5. Step 5: Solve for x
    x = 14,337,021,206,224,868/135,432,840.73
  6. Step 6: Final answer
    x = 105,860,743.44

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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.