Home / 81,511,293-112,488,521.28-46,710,708.96

Finding the Fourth Proportional to 81,511,293, 112,488,521.28 and 46,710,708.96

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Solution

The fourth proportional to 81,511,293, 112,488,521.28 and 46,710,708.96 is: 64,462,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,511,293 : 112,488,521.28 = 46,710,708.96 : x
  2. Step 2: Convert to fraction form
    81,511,293/112,488,521.28 = 46,710,708.96/x
  3. Step 3: Cross multiply
    81,511,293x = 112,488,521.28 × 46,710,708.96
  4. Step 4: Simplify right side
    81,511,293x = 5,254,418,578,850,847
  5. Step 5: Solve for x
    x = 5,254,418,578,850,847/81,511,293
  6. Step 6: Final answer
    x = 64,462,461.40

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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.