Home / 76,865,680.20-115,130,558.70-59,691,606.60

Finding the Fourth Proportional to 76,865,680.20, 115,130,558.70 and 59,691,606.60

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Solution

The fourth proportional to 76,865,680.20, 115,130,558.70 and 59,691,606.60 is: 89,406,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,865,680.20 : 115,130,558.70 = 59,691,606.60 : x
  2. Step 2: Convert to fraction form
    76,865,680.20/115,130,558.70 = 59,691,606.60/x
  3. Step 3: Cross multiply
    76,865,680.20x = 115,130,558.70 × 59,691,606.60
  4. Step 4: Simplify right side
    76,865,680.20x = 6,872,328,017,558,608
  5. Step 5: Solve for x
    x = 6,872,328,017,558,608/76,865,680.20
  6. Step 6: Final answer
    x = 89,406,975.90

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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.