Home / 125,622,217.60-188,439,231.30-39,363,438.40

Finding the Fourth Proportional to 125,622,217.60, 188,439,231.30 and 39,363,438.40

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Solution

The fourth proportional to 125,622,217.60, 188,439,231.30 and 39,363,438.40 is: 59,047,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622,217.60 : 188,439,231.30 = 39,363,438.40 : x
  2. Step 2: Convert to fraction form
    125,622,217.60/188,439,231.30 = 39,363,438.40/x
  3. Step 3: Cross multiply
    125,622,217.60x = 188,439,231.30 × 39,363,438.40
  4. Step 4: Simplify right side
    125,622,217.60x = 7,417,616,073,420,902
  5. Step 5: Solve for x
    x = 7,417,616,073,420,902/125,622,217.60
  6. Step 6: Final answer
    x = 59,047,007.89

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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.