Home / 145,673,999.10-218,510,998.65-99,757,496.70

Finding the Fourth Proportional to 145,673,999.10, 218,510,998.65 and 99,757,496.70

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Solution

The fourth proportional to 145,673,999.10, 218,510,998.65 and 99,757,496.70 is: 149,636,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,673,999.10 : 218,510,998.65 = 99,757,496.70 : x
  2. Step 2: Convert to fraction form
    145,673,999.10/218,510,998.65 = 99,757,496.70/x
  3. Step 3: Cross multiply
    145,673,999.10x = 218,510,998.65 × 99,757,496.70
  4. Step 4: Simplify right side
    145,673,999.10x = 21,798,110,226,741,080
  5. Step 5: Solve for x
    x = 21,798,110,226,741,080/145,673,999.10
  6. Step 6: Final answer
    x = 149,636,245.05

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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.