Home / 49,927,204.80-74,890,807.20-21,168,446.40

Finding the Fourth Proportional to 49,927,204.80, 74,890,807.20 and 21,168,446.40

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Solution

The fourth proportional to 49,927,204.80, 74,890,807.20 and 21,168,446.40 is: 31,752,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,927,204.80 : 74,890,807.20 = 21,168,446.40 : x
  2. Step 2: Convert to fraction form
    49,927,204.80/74,890,807.20 = 21,168,446.40/x
  3. Step 3: Cross multiply
    49,927,204.80x = 74,890,807.20 × 21,168,446.40
  4. Step 4: Simplify right side
    49,927,204.80x = 1,585,322,038,065,934
  5. Step 5: Solve for x
    x = 1,585,322,038,065,934/49,927,204.80
  6. Step 6: Final answer
    x = 31,752,669.60

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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.