Home / 188,439,771.80-282,449,705.70-73,386,075.80

Finding the Fourth Proportional to 188,439,771.80, 282,449,705.70 and 73,386,075.80

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Solution

The fourth proportional to 188,439,771.80, 282,449,705.70 and 73,386,075.80 is: 109,997,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439,771.80 : 282,449,705.70 = 73,386,075.80 : x
  2. Step 2: Convert to fraction form
    188,439,771.80/282,449,705.70 = 73,386,075.80/x
  3. Step 3: Cross multiply
    188,439,771.80x = 282,449,705.70 × 73,386,075.80
  4. Step 4: Simplify right side
    188,439,771.80x = 20,727,875,512,187,892
  5. Step 5: Solve for x
    x = 20,727,875,512,187,892/188,439,771.80
  6. Step 6: Final answer
    x = 109,997,349.89

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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.