Home / 209,952,528.30-314,928,792.45-208,677,069.90

Finding the Fourth Proportional to 209,952,528.30, 314,928,792.45 and 208,677,069.90

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Solution

The fourth proportional to 209,952,528.30, 314,928,792.45 and 208,677,069.90 is: 313,015,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,528.30 : 314,928,792.45 = 208,677,069.90 : x
  2. Step 2: Convert to fraction form
    209,952,528.30/314,928,792.45 = 208,677,069.90/x
  3. Step 3: Cross multiply
    209,952,528.30x = 314,928,792.45 × 208,677,069.90
  4. Step 4: Simplify right side
    209,952,528.30x = 65,718,417,635,611,240
  5. Step 5: Solve for x
    x = 65,718,417,635,611,240/209,952,528.30
  6. Step 6: Final answer
    x = 313,015,604.85

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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.