Home / 49,926,794.80-74,890,192.20-21,168,036.40

Finding the Fourth Proportional to 49,926,794.80, 74,890,192.20 and 21,168,036.40

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Solution

The fourth proportional to 49,926,794.80, 74,890,192.20 and 21,168,036.40 is: 31,752,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926,794.80 : 74,890,192.20 = 21,168,036.40 : x
  2. Step 2: Convert to fraction form
    49,926,794.80/74,890,192.20 = 21,168,036.40/x
  3. Step 3: Cross multiply
    49,926,794.80x = 74,890,192.20 × 21,168,036.40
  4. Step 4: Simplify right side
    49,926,794.80x = 1,585,278,314,492,596
  5. Step 5: Solve for x
    x = 1,585,278,314,492,596/49,926,794.80
  6. Step 6: Final answer
    x = 31,752,054.60

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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.