Home / 81,743,712.69-112,805,502.08-44,573,901.74

Finding the Fourth Proportional to 81,743,712.69, 112,805,502.08 and 44,573,901.74

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Solution

The fourth proportional to 81,743,712.69, 112,805,502.08 and 44,573,901.74 is: 61,511,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,743,712.69 : 112,805,502.08 = 44,573,901.74 : x
  2. Step 2: Convert to fraction form
    81,743,712.69/112,805,502.08 = 44,573,901.74/x
  3. Step 3: Cross multiply
    81,743,712.69x = 112,805,502.08 × 44,573,901.74
  4. Step 4: Simplify right side
    81,743,712.69x = 5,028,181,364,658,389
  5. Step 5: Solve for x
    x = 5,028,181,364,658,389/81,743,712.69
  6. Step 6: Final answer
    x = 61,511,536.47

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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.