Home / 85,507,328.68-118,001,625.54-46,350,405.80

Finding the Fourth Proportional to 85,507,328.68, 118,001,625.54 and 46,350,405.80

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Solution

The fourth proportional to 85,507,328.68, 118,001,625.54 and 46,350,405.80 is: 63,964,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,507,328.68 : 118,001,625.54 = 46,350,405.80 : x
  2. Step 2: Convert to fraction form
    85,507,328.68/118,001,625.54 = 46,350,405.80/x
  3. Step 3: Cross multiply
    85,507,328.68x = 118,001,625.54 × 46,350,405.80
  4. Step 4: Simplify right side
    85,507,328.68x = 5,469,423,228,838,644
  5. Step 5: Solve for x
    x = 5,469,423,228,838,644/85,507,328.68
  6. Step 6: Final answer
    x = 63,964,379.58

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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.