Home / 125,870,398.54-188,834,806.25-39,606,563.32

Finding the Fourth Proportional to 125,870,398.54, 188,834,806.25 and 39,606,563.32

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Solution

The fourth proportional to 125,870,398.54, 188,834,806.25 and 39,606,563.32 is: 59,419,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,870,398.54 : 188,834,806.25 = 39,606,563.32 : x
  2. Step 2: Convert to fraction form
    125,870,398.54/188,834,806.25 = 39,606,563.32/x
  3. Step 3: Cross multiply
    125,870,398.54x = 188,834,806.25 × 39,606,563.32
  4. Step 4: Simplify right side
    125,870,398.54x = 7,479,097,710,461,947
  5. Step 5: Solve for x
    x = 7,479,097,710,461,947/125,870,398.54
  6. Step 6: Final answer
    x = 59,419,035.75

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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.