Home / 49,820,020.80-74,786,018.40-38,510,606.40

Finding the Fourth Proportional to 49,820,020.80, 74,786,018.40 and 38,510,606.40

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Solution

The fourth proportional to 49,820,020.80, 74,786,018.40 and 38,510,606.40 is: 57,809,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820,020.80 : 74,786,018.40 = 38,510,606.40 : x
  2. Step 2: Convert to fraction form
    49,820,020.80/74,786,018.40 = 38,510,606.40/x
  3. Step 3: Cross multiply
    49,820,020.80x = 74,786,018.40 × 38,510,606.40
  4. Step 4: Simplify right side
    49,820,020.80x = 2,880,054,918,825,558
  5. Step 5: Solve for x
    x = 2,880,054,918,825,558/49,820,020.80
  6. Step 6: Final answer
    x = 57,809,187.40

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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.