Home / 105,169,399.12-157,757,312.48-36,081,233.54

Finding the Fourth Proportional to 105,169,399.12, 157,757,312.48 and 36,081,233.54

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Solution

The fourth proportional to 105,169,399.12, 157,757,312.48 and 36,081,233.54 is: 54,122,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,169,399.12 : 157,757,312.48 = 36,081,233.54 : x
  2. Step 2: Convert to fraction form
    105,169,399.12/157,757,312.48 = 36,081,233.54/x
  3. Step 3: Cross multiply
    105,169,399.12x = 157,757,312.48 × 36,081,233.54
  4. Step 4: Simplify right side
    105,169,399.12x = 5,692,078,434,233,636
  5. Step 5: Solve for x
    x = 5,692,078,434,233,636/105,169,399.12
  6. Step 6: Final answer
    x = 54,122,952.89

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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.