Home / 49,926,606.80-74,889,910.20-21,167,848.40

Finding the Fourth Proportional to 49,926,606.80, 74,889,910.20 and 21,167,848.40

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Solution

The fourth proportional to 49,926,606.80, 74,889,910.20 and 21,167,848.40 is: 31,751,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926,606.80 : 74,889,910.20 = 21,167,848.40 : x
  2. Step 2: Convert to fraction form
    49,926,606.80/74,889,910.20 = 21,167,848.40/x
  3. Step 3: Cross multiply
    49,926,606.80x = 74,889,910.20 × 21,167,848.40
  4. Step 4: Simplify right side
    49,926,606.80x = 1,585,258,265,803,213.75
  5. Step 5: Solve for x
    x = 1,585,258,265,803,213.75/49,926,606.80
  6. Step 6: Final answer
    x = 31,751,772.60

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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.