Home / 99,861,039.80-149,807,954.10-30,773,855.06

Finding the Fourth Proportional to 99,861,039.80, 149,807,954.10 and 30,773,855.06

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Solution

The fourth proportional to 99,861,039.80, 149,807,954.10 and 30,773,855.06 is: 46,165,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,861,039.80 : 149,807,954.10 = 30,773,855.06 : x
  2. Step 2: Convert to fraction form
    99,861,039.80/149,807,954.10 = 30,773,855.06/x
  3. Step 3: Cross multiply
    99,861,039.80x = 149,807,954.10 × 30,773,855.06
  4. Step 4: Simplify right side
    99,861,039.80x = 4,610,168,266,308,532
  5. Step 5: Solve for x
    x = 4,610,168,266,308,532/99,861,039.80
  6. Step 6: Final answer
    x = 46,165,834.80

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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.