Home / 105,471,455.86-145,550,588.07-58,431,586.06

Finding the Fourth Proportional to 105,471,455.86, 145,550,588.07 and 58,431,586.06

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Solution

The fourth proportional to 105,471,455.86, 145,550,588.07 and 58,431,586.06 is: 80,635,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,471,455.86 : 145,550,588.07 = 58,431,586.06 : x
  2. Step 2: Convert to fraction form
    105,471,455.86/145,550,588.07 = 58,431,586.06/x
  3. Step 3: Cross multiply
    105,471,455.86x = 145,550,588.07 × 58,431,586.06
  4. Step 4: Simplify right side
    105,471,455.86x = 8,504,751,712,895,814
  5. Step 5: Solve for x
    x = 8,504,751,712,895,814/105,471,455.86
  6. Step 6: Final answer
    x = 80,635,577.12

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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.