Home / 199,590,078.30-299,385,117.45-113,295,140.70

Finding the Fourth Proportional to 199,590,078.30, 299,385,117.45 and 113,295,140.70

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Solution

The fourth proportional to 199,590,078.30, 299,385,117.45 and 113,295,140.70 is: 169,942,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,078.30 : 299,385,117.45 = 113,295,140.70 : x
  2. Step 2: Convert to fraction form
    199,590,078.30/299,385,117.45 = 113,295,140.70/x
  3. Step 3: Cross multiply
    199,590,078.30x = 299,385,117.45 × 113,295,140.70
  4. Step 4: Simplify right side
    199,590,078.30x = 33,918,879,004,983,776
  5. Step 5: Solve for x
    x = 33,918,879,004,983,776/199,590,078.30
  6. Step 6: Final answer
    x = 169,942,711.05

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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.