Home / 82,205,783.04-123,325,989.12-31,086,670.08

Finding the Fourth Proportional to 82,205,783.04, 123,325,989.12 and 31,086,670.08

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Solution

The fourth proportional to 82,205,783.04, 123,325,989.12 and 31,086,670.08 is: 46,636,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,205,783.04 : 123,325,989.12 = 31,086,670.08 : x
  2. Step 2: Convert to fraction form
    82,205,783.04/123,325,989.12 = 31,086,670.08/x
  3. Step 3: Cross multiply
    82,205,783.04x = 123,325,989.12 × 31,086,670.08
  4. Step 4: Simplify right side
    82,205,783.04x = 3,833,794,336,063,109.50
  5. Step 5: Solve for x
    x = 3,833,794,336,063,109.50/82,205,783.04
  6. Step 6: Final answer
    x = 46,636,552.74

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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.