Home / 199,590,438.30-299,385,657.45-113,295,500.70

Finding the Fourth Proportional to 199,590,438.30, 299,385,657.45 and 113,295,500.70

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Solution

The fourth proportional to 199,590,438.30, 299,385,657.45 and 113,295,500.70 is: 169,943,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,438.30 : 299,385,657.45 = 113,295,500.70 : x
  2. Step 2: Convert to fraction form
    199,590,438.30/299,385,657.45 = 113,295,500.70/x
  3. Step 3: Cross multiply
    199,590,438.30x = 299,385,657.45 × 113,295,500.70
  4. Step 4: Simplify right side
    199,590,438.30x = 33,919,047,963,196,436
  5. Step 5: Solve for x
    x = 33,919,047,963,196,436/199,590,438.30
  6. Step 6: Final answer
    x = 169,943,251.05

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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.