Home / 145,673,999.10-218,510,998.65-113,149,809.90

Finding the Fourth Proportional to 145,673,999.10, 218,510,998.65 and 113,149,809.90

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Solution

The fourth proportional to 145,673,999.10, 218,510,998.65 and 113,149,809.90 is: 169,724,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,673,999.10 : 218,510,998.65 = 113,149,809.90 : x
  2. Step 2: Convert to fraction form
    145,673,999.10/218,510,998.65 = 113,149,809.90/x
  3. Step 3: Cross multiply
    145,673,999.10x = 218,510,998.65 × 113,149,809.90
  4. Step 4: Simplify right side
    145,673,999.10x = 24,724,477,958,306,660
  5. Step 5: Solve for x
    x = 24,724,477,958,306,660/145,673,999.10
  6. Step 6: Final answer
    x = 169,724,714.85

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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.