Home / 209,953,806.30-314,930,709.45-94,942,100.70

Finding the Fourth Proportional to 209,953,806.30, 314,930,709.45 and 94,942,100.70

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Solution

The fourth proportional to 209,953,806.30, 314,930,709.45 and 94,942,100.70 is: 142,413,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,806.30 : 314,930,709.45 = 94,942,100.70 : x
  2. Step 2: Convert to fraction form
    209,953,806.30/314,930,709.45 = 94,942,100.70/x
  3. Step 3: Cross multiply
    209,953,806.30x = 314,930,709.45 × 94,942,100.70
  4. Step 4: Simplify right side
    209,953,806.30x = 29,900,183,130,124,340
  5. Step 5: Solve for x
    x = 29,900,183,130,124,340/209,953,806.30
  6. Step 6: Final answer
    x = 142,413,151.05

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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.