Home / 118,039,179.96-162,838,473.84-76,771,014.84

Finding the Fourth Proportional to 118,039,179.96, 162,838,473.84 and 76,771,014.84

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Solution

The fourth proportional to 118,039,179.96, 162,838,473.84 and 76,771,014.84 is: 105,907,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,039,179.96 : 162,838,473.84 = 76,771,014.84 : x
  2. Step 2: Convert to fraction form
    118,039,179.96/162,838,473.84 = 76,771,014.84/x
  3. Step 3: Cross multiply
    118,039,179.96x = 162,838,473.84 × 76,771,014.84
  4. Step 4: Simplify right side
    118,039,179.96x = 12,501,274,891,693,592
  5. Step 5: Solve for x
    x = 12,501,274,891,693,592/118,039,179.96
  6. Step 6: Final answer
    x = 105,907,842.60

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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.