Home / 135,432,841.23-186,908,847.24-76,705,953.54

Finding the Fourth Proportional to 135,432,841.23, 186,908,847.24 and 76,705,953.54

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Solution

The fourth proportional to 135,432,841.23, 186,908,847.24 and 76,705,953.54 is: 105,860,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432,841.23 : 186,908,847.24 = 76,705,953.54 : x
  2. Step 2: Convert to fraction form
    135,432,841.23/186,908,847.24 = 76,705,953.54/x
  3. Step 3: Cross multiply
    135,432,841.23x = 186,908,847.24 × 76,705,953.54
  4. Step 4: Simplify right side
    135,432,841.23x = 14,337,021,352,606,400
  5. Step 5: Solve for x
    x = 14,337,021,352,606,400/135,432,841.23
  6. Step 6: Final answer
    x = 105,860,744.13

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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.