Home / 210,015,246.30-314,928,391.05-80,579,838.30

Finding the Fourth Proportional to 210,015,246.30, 314,928,391.05 and 80,579,838.30

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Solution

The fourth proportional to 210,015,246.30, 314,928,391.05 and 80,579,838.30 is: 120,833,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,015,246.30 : 314,928,391.05 = 80,579,838.30 : x
  2. Step 2: Convert to fraction form
    210,015,246.30/314,928,391.05 = 80,579,838.30/x
  3. Step 3: Cross multiply
    210,015,246.30x = 314,928,391.05 × 80,579,838.30
  4. Step 4: Simplify right side
    210,015,246.30x = 25,376,878,826,888,168
  5. Step 5: Solve for x
    x = 25,376,878,826,888,168/210,015,246.30
  6. Step 6: Final answer
    x = 120,833,507.44

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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.