Home / 119,393,390.40-179,045,848.80-38,616,993.60

Finding the Fourth Proportional to 119,393,390.40, 179,045,848.80 and 38,616,993.60

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Solution

The fourth proportional to 119,393,390.40, 179,045,848.80 and 38,616,993.60 is: 57,911,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,393,390.40 : 179,045,848.80 = 38,616,993.60 : x
  2. Step 2: Convert to fraction form
    119,393,390.40/179,045,848.80 = 38,616,993.60/x
  3. Step 3: Cross multiply
    119,393,390.40x = 179,045,848.80 × 38,616,993.60
  4. Step 4: Simplify right side
    119,393,390.40x = 6,914,212,397,216,168
  5. Step 5: Solve for x
    x = 6,914,212,397,216,168/119,393,390.40
  6. Step 6: Final answer
    x = 57,911,182.30

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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.