Home / 85,690,148.49-118,250,715.93-50,411,766.31

Finding the Fourth Proportional to 85,690,148.49, 118,250,715.93 and 50,411,766.31

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Solution

The fourth proportional to 85,690,148.49, 118,250,715.93 and 50,411,766.31 is: 69,567,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,690,148.49 : 118,250,715.93 = 50,411,766.31 : x
  2. Step 2: Convert to fraction form
    85,690,148.49/118,250,715.93 = 50,411,766.31/x
  3. Step 3: Cross multiply
    85,690,148.49x = 118,250,715.93 × 50,411,766.31
  4. Step 4: Simplify right side
    85,690,148.49x = 5,961,227,457,585,259
  5. Step 5: Solve for x
    x = 5,961,227,457,585,259/85,690,148.49
  6. Step 6: Final answer
    x = 69,567,243.87

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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.