Home / 271,546,985.70-407,320,478.55-99,029,427.30

Finding the Fourth Proportional to 271,546,985.70, 407,320,478.55 and 99,029,427.30

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Solution

The fourth proportional to 271,546,985.70, 407,320,478.55 and 99,029,427.30 is: 148,544,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,546,985.70 : 407,320,478.55 = 99,029,427.30 : x
  2. Step 2: Convert to fraction form
    271,546,985.70/407,320,478.55 = 99,029,427.30/x
  3. Step 3: Cross multiply
    271,546,985.70x = 407,320,478.55 × 99,029,427.30
  4. Step 4: Simplify right side
    271,546,985.70x = 40,336,713,718,368,432
  5. Step 5: Solve for x
    x = 40,336,713,718,368,432/271,546,985.70
  6. Step 6: Final answer
    x = 148,544,140.95

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1.5x scale

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.