Home / 209,984,911.30-314,977,366.95-137,425,500.10

Finding the Fourth Proportional to 209,984,911.30, 314,977,366.95 and 137,425,500.10

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Solution

The fourth proportional to 209,984,911.30, 314,977,366.95 and 137,425,500.10 is: 206,138,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,984,911.30 : 314,977,366.95 = 137,425,500.10 : x
  2. Step 2: Convert to fraction form
    209,984,911.30/314,977,366.95 = 137,425,500.10/x
  3. Step 3: Cross multiply
    209,984,911.30x = 314,977,366.95 × 137,425,500.10
  4. Step 4: Simplify right side
    209,984,911.30x = 43,285,922,173,284,960
  5. Step 5: Solve for x
    x = 43,285,922,173,284,960/209,984,911.30
  6. Step 6: Final answer
    x = 206,138,250.15

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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.