Home / 112,475,573.53-155,148,421.45-74,284,936.20

Finding the Fourth Proportional to 112,475,573.53, 155,148,421.45 and 74,284,936.20

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Solution

The fourth proportional to 112,475,573.53, 155,148,421.45 and 74,284,936.20 is: 102,468,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,475,573.53 : 155,148,421.45 = 74,284,936.20 : x
  2. Step 2: Convert to fraction form
    112,475,573.53/155,148,421.45 = 74,284,936.20/x
  3. Step 3: Cross multiply
    112,475,573.53x = 155,148,421.45 × 74,284,936.20
  4. Step 4: Simplify right side
    112,475,573.53x = 11,525,190,589,229,596
  5. Step 5: Solve for x
    x = 11,525,190,589,229,596/112,475,573.53
  6. Step 6: Final answer
    x = 102,468,386.94

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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.