Home / 129,794,029.17-179,087,124.90-76,844,444.88

Finding the Fourth Proportional to 129,794,029.17, 179,087,124.90 and 76,844,444.88

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Solution

The fourth proportional to 129,794,029.17, 179,087,124.90 and 76,844,444.88 is: 106,028,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,794,029.17 : 179,087,124.90 = 76,844,444.88 : x
  2. Step 2: Convert to fraction form
    129,794,029.17/179,087,124.90 = 76,844,444.88/x
  3. Step 3: Cross multiply
    129,794,029.17x = 179,087,124.90 × 76,844,444.88
  4. Step 4: Simplify right side
    129,794,029.17x = 13,761,850,698,095,726
  5. Step 5: Solve for x
    x = 13,761,850,698,095,726/129,794,029.17
  6. Step 6: Final answer
    x = 106,028,380.40

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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.