Home / 112,371,421.80-168,557,132.70-105,652,957.80

Finding the Fourth Proportional to 112,371,421.80, 168,557,132.70 and 105,652,957.80

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Solution

The fourth proportional to 112,371,421.80, 168,557,132.70 and 105,652,957.80 is: 158,479,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,421.80 : 168,557,132.70 = 105,652,957.80 : x
  2. Step 2: Convert to fraction form
    112,371,421.80/168,557,132.70 = 105,652,957.80/x
  3. Step 3: Cross multiply
    112,371,421.80x = 168,557,132.70 × 105,652,957.80
  4. Step 4: Simplify right side
    112,371,421.80x = 17,808,559,628,042,098
  5. Step 5: Solve for x
    x = 17,808,559,628,042,098/112,371,421.80
  6. Step 6: Final answer
    x = 158,479,436.70

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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.