Home / 85,188,553.50-127,731,683.61-39,072,655.02

Finding the Fourth Proportional to 85,188,553.50, 127,731,683.61 and 39,072,655.02

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Solution

The fourth proportional to 85,188,553.50, 127,731,683.61 and 39,072,655.02 is: 58,585,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,188,553.50 : 127,731,683.61 = 39,072,655.02 : x
  2. Step 2: Convert to fraction form
    85,188,553.50/127,731,683.61 = 39,072,655.02/x
  3. Step 3: Cross multiply
    85,188,553.50x = 127,731,683.61 × 39,072,655.02
  4. Step 4: Simplify right side
    85,188,553.50x = 4,990,816,008,817,319
  5. Step 5: Solve for x
    x = 4,990,816,008,817,319/85,188,553.50
  6. Step 6: Final answer
    x = 58,585,523.57

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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.