Home / 112,978,869.40-169,468,304.10-31,097,589.40

Finding the Fourth Proportional to 112,978,869.40, 169,468,304.10 and 31,097,589.40

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Solution

The fourth proportional to 112,978,869.40, 169,468,304.10 and 31,097,589.40 is: 46,646,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,978,869.40 : 169,468,304.10 = 31,097,589.40 : x
  2. Step 2: Convert to fraction form
    112,978,869.40/169,468,304.10 = 31,097,589.40/x
  3. Step 3: Cross multiply
    112,978,869.40x = 169,468,304.10 × 31,097,589.40
  4. Step 4: Simplify right side
    112,978,869.40x = 5,270,055,737,216,136
  5. Step 5: Solve for x
    x = 5,270,055,737,216,136/112,978,869.40
  6. Step 6: Final answer
    x = 46,646,384.10

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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.