Home / 171,069,331.40-256,037,126.70-157,464,441.80

Finding the Fourth Proportional to 171,069,331.40, 256,037,126.70 and 157,464,441.80

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Solution

The fourth proportional to 171,069,331.40, 256,037,126.70 and 157,464,441.80 is: 235,674,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,069,331.40 : 256,037,126.70 = 157,464,441.80 : x
  2. Step 2: Convert to fraction form
    171,069,331.40/256,037,126.70 = 157,464,441.80/x
  3. Step 3: Cross multiply
    171,069,331.40x = 256,037,126.70 × 157,464,441.80
  4. Step 4: Simplify right side
    171,069,331.40x = 40,316,743,235,891,376
  5. Step 5: Solve for x
    x = 40,316,743,235,891,376/171,069,331.40
  6. Step 6: Final answer
    x = 235,674,874.66

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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.