Home / 48,619,979.88-72,903,048.66-19,886,295.84

Finding the Fourth Proportional to 48,619,979.88, 72,903,048.66 and 19,886,295.84

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Solution

The fourth proportional to 48,619,979.88, 72,903,048.66 and 19,886,295.84 is: 29,818,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619,979.88 : 72,903,048.66 = 19,886,295.84 : x
  2. Step 2: Convert to fraction form
    48,619,979.88/72,903,048.66 = 19,886,295.84/x
  3. Step 3: Cross multiply
    48,619,979.88x = 72,903,048.66 × 19,886,295.84
  4. Step 4: Simplify right side
    48,619,979.88x = 1,449,771,593,290,675.50
  5. Step 5: Solve for x
    x = 1,449,771,593,290,675.50/48,619,979.88
  6. Step 6: Final answer
    x = 29,818,432.60

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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.