Home / 82,911,378.12-114,417,062.73-45,743,224.89

Finding the Fourth Proportional to 82,911,378.12, 114,417,062.73 and 45,743,224.89

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Solution

The fourth proportional to 82,911,378.12, 114,417,062.73 and 45,743,224.89 is: 63,125,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911,378.12 : 114,417,062.73 = 45,743,224.89 : x
  2. Step 2: Convert to fraction form
    82,911,378.12/114,417,062.73 = 45,743,224.89/x
  3. Step 3: Cross multiply
    82,911,378.12x = 114,417,062.73 × 45,743,224.89
  4. Step 4: Simplify right side
    82,911,378.12x = 5,233,805,431,711,628
  5. Step 5: Solve for x
    x = 5,233,805,431,711,628/82,911,378.12
  6. Step 6: Final answer
    x = 63,125,297.76

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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.