Home / 199,611,296.80-299,416,945.20-113,316,359.20

Finding the Fourth Proportional to 199,611,296.80, 299,416,945.20 and 113,316,359.20

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Solution

The fourth proportional to 199,611,296.80, 299,416,945.20 and 113,316,359.20 is: 169,974,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,611,296.80 : 299,416,945.20 = 113,316,359.20 : x
  2. Step 2: Convert to fraction form
    199,611,296.80/299,416,945.20 = 113,316,359.20/x
  3. Step 3: Cross multiply
    199,611,296.80x = 299,416,945.20 × 113,316,359.20
  4. Step 4: Simplify right side
    199,611,296.80x = 33,928,838,112,849,916
  5. Step 5: Solve for x
    x = 33,928,838,112,849,916/199,611,296.80
  6. Step 6: Final answer
    x = 169,974,538.80

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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.