Home / 105,493,457.39-145,534,597.45-63,654,185.93

Finding the Fourth Proportional to 105,493,457.39, 145,534,597.45 and 63,654,185.93

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Solution

The fourth proportional to 105,493,457.39, 145,534,597.45 and 63,654,185.93 is: 87,814,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,493,457.39 : 145,534,597.45 = 63,654,185.93 : x
  2. Step 2: Convert to fraction form
    105,493,457.39/145,534,597.45 = 63,654,185.93/x
  3. Step 3: Cross multiply
    105,493,457.39x = 145,534,597.45 × 63,654,185.93
  4. Step 4: Simplify right side
    105,493,457.39x = 9,263,886,324,443,194
  5. Step 5: Solve for x
    x = 9,263,886,324,443,194/105,493,457.39
  6. Step 6: Final answer
    x = 87,814,794.91

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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.