Home / 81,656,176-112,609,830.77-59,594,730.88

Finding the Fourth Proportional to 81,656,176, 112,609,830.77 and 59,594,730.88

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Solution

The fourth proportional to 81,656,176, 112,609,830.77 and 59,594,730.88 is: 82,185,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,176 : 112,609,830.77 = 59,594,730.88 : x
  2. Step 2: Convert to fraction form
    81,656,176/112,609,830.77 = 59,594,730.88/x
  3. Step 3: Cross multiply
    81,656,176x = 112,609,830.77 × 59,594,730.88
  4. Step 4: Simplify right side
    81,656,176x = 6,710,952,559,180,493
  5. Step 5: Solve for x
    x = 6,710,952,559,180,493/81,656,176
  6. Step 6: Final answer
    x = 82,185,486.61

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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.