Home / 81,432,207.15-122,148,310.73-73,370,050.35

Finding the Fourth Proportional to 81,432,207.15, 122,148,310.73 and 73,370,050.35

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Solution

The fourth proportional to 81,432,207.15, 122,148,310.73 and 73,370,050.35 is: 110,055,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,432,207.15 : 122,148,310.73 = 73,370,050.35 : x
  2. Step 2: Convert to fraction form
    81,432,207.15/122,148,310.73 = 73,370,050.35/x
  3. Step 3: Cross multiply
    81,432,207.15x = 122,148,310.73 × 73,370,050.35
  4. Step 4: Simplify right side
    81,432,207.15x = 8,962,027,708,060,694
  5. Step 5: Solve for x
    x = 8,962,027,708,060,694/81,432,207.15
  6. Step 6: Final answer
    x = 110,055,075.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.