Home / 49,927,205.80-74,890,808.70-21,168,447.40

Finding the Fourth Proportional to 49,927,205.80, 74,890,808.70 and 21,168,447.40

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Solution

The fourth proportional to 49,927,205.80, 74,890,808.70 and 21,168,447.40 is: 31,752,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,927,205.80 : 74,890,808.70 = 21,168,447.40 : x
  2. Step 2: Convert to fraction form
    49,927,205.80/74,890,808.70 = 21,168,447.40/x
  3. Step 3: Cross multiply
    49,927,205.80x = 74,890,808.70 × 21,168,447.40
  4. Step 4: Simplify right side
    49,927,205.80x = 1,585,322,144,709,412.25
  5. Step 5: Solve for x
    x = 1,585,322,144,709,412.25/49,927,205.80
  6. Step 6: Final answer
    x = 31,752,671.10

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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.