Home / 190,036,855.20-284,939,809.20-74,888,680.80

Finding the Fourth Proportional to 190,036,855.20, 284,939,809.20 and 74,888,680.80

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Solution

The fourth proportional to 190,036,855.20, 284,939,809.20 and 74,888,680.80 is: 112,287,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,036,855.20 : 284,939,809.20 = 74,888,680.80 : x
  2. Step 2: Convert to fraction form
    190,036,855.20/284,939,809.20 = 74,888,680.80/x
  3. Step 3: Cross multiply
    190,036,855.20x = 284,939,809.20 × 74,888,680.80
  4. Step 4: Simplify right side
    190,036,855.20x = 21,338,766,418,391,700
  5. Step 5: Solve for x
    x = 21,338,766,418,391,700/190,036,855.20
  6. Step 6: Final answer
    x = 112,287,516.00

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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.