Home / 79,903,999.63-119,856,829.82-28,090,052.17

Finding the Fourth Proportional to 79,903,999.63, 119,856,829.82 and 28,090,052.17

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Solution

The fourth proportional to 79,903,999.63, 119,856,829.82 and 28,090,052.17 is: 42,135,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903,999.63 : 119,856,829.82 = 28,090,052.17 : x
  2. Step 2: Convert to fraction form
    79,903,999.63/119,856,829.82 = 28,090,052.17/x
  3. Step 3: Cross multiply
    79,903,999.63x = 119,856,829.82 × 28,090,052.17
  4. Step 4: Simplify right side
    79,903,999.63x = 3,366,784,602,371,318.50
  5. Step 5: Solve for x
    x = 3,366,784,602,371,318.50/79,903,999.63
  6. Step 6: Final answer
    x = 42,135,370.17

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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.