Home / 49,926,774.80-74,890,162.20-21,168,016.40

Finding the Fourth Proportional to 49,926,774.80, 74,890,162.20 and 21,168,016.40

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Solution

The fourth proportional to 49,926,774.80, 74,890,162.20 and 21,168,016.40 is: 31,752,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926,774.80 : 74,890,162.20 = 21,168,016.40 : x
  2. Step 2: Convert to fraction form
    49,926,774.80/74,890,162.20 = 21,168,016.40/x
  3. Step 3: Cross multiply
    49,926,774.80x = 74,890,162.20 × 21,168,016.40
  4. Step 4: Simplify right side
    49,926,774.80x = 1,585,276,181,648,260
  5. Step 5: Solve for x
    x = 1,585,276,181,648,260/49,926,774.80
  6. Step 6: Final answer
    x = 31,752,024.60

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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.