Home / 136,606,902.98-188,519,021.85-74,727,242.15

Finding the Fourth Proportional to 136,606,902.98, 188,519,021.85 and 74,727,242.15

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Solution

The fourth proportional to 136,606,902.98, 188,519,021.85 and 74,727,242.15 is: 103,124,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,606,902.98 : 188,519,021.85 = 74,727,242.15 : x
  2. Step 2: Convert to fraction form
    136,606,902.98/188,519,021.85 = 74,727,242.15/x
  3. Step 3: Cross multiply
    136,606,902.98x = 188,519,021.85 × 74,727,242.15
  4. Step 4: Simplify right side
    136,606,902.98x = 14,087,506,594,723,494
  5. Step 5: Solve for x
    x = 14,087,506,594,723,494/136,606,902.98
  6. Step 6: Final answer
    x = 103,124,412.37

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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.