Home / 125,870,399.54-188,834,807.75-39,606,564.32

Finding the Fourth Proportional to 125,870,399.54, 188,834,807.75 and 39,606,564.32

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Solution

The fourth proportional to 125,870,399.54, 188,834,807.75 and 39,606,564.32 is: 59,419,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,870,399.54 : 188,834,807.75 = 39,606,564.32 : x
  2. Step 2: Convert to fraction form
    125,870,399.54/188,834,807.75 = 39,606,564.32/x
  3. Step 3: Cross multiply
    125,870,399.54x = 188,834,807.75 × 39,606,564.32
  4. Step 4: Simplify right side
    125,870,399.54x = 7,479,097,959,005,210
  5. Step 5: Solve for x
    x = 7,479,097,959,005,210/125,870,399.54
  6. Step 6: Final answer
    x = 59,419,037.25

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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.