Home / 105,493,463.12-145,534,605.36-63,654,191.66

Finding the Fourth Proportional to 105,493,463.12, 145,534,605.36 and 63,654,191.66

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Solution

The fourth proportional to 105,493,463.12, 145,534,605.36 and 63,654,191.66 is: 87,814,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,493,463.12 : 145,534,605.36 = 63,654,191.66 : x
  2. Step 2: Convert to fraction form
    105,493,463.12/145,534,605.36 = 63,654,191.66/x
  3. Step 3: Cross multiply
    105,493,463.12x = 145,534,605.36 × 63,654,191.66
  4. Step 4: Simplify right side
    105,493,463.12x = 9,263,887,662,747,904
  5. Step 5: Solve for x
    x = 9,263,887,662,747,904/105,493,463.12
  6. Step 6: Final answer
    x = 87,814,802.82

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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.