Home / 256,958,202.86-385,391,742.61-116,865,846.20

Finding the Fourth Proportional to 256,958,202.86, 385,391,742.61 and 116,865,846.20

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Solution

The fourth proportional to 256,958,202.86, 385,391,742.61 and 116,865,846.20 is: 175,278,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,958,202.86 : 385,391,742.61 = 116,865,846.20 : x
  2. Step 2: Convert to fraction form
    256,958,202.86/385,391,742.61 = 116,865,846.20/x
  3. Step 3: Cross multiply
    256,958,202.86x = 385,391,742.61 × 116,865,846.20
  4. Step 4: Simplify right side
    256,958,202.86x = 45,039,132,118,610,248
  5. Step 5: Solve for x
    x = 45,039,132,118,610,248/256,958,202.86
  6. Step 6: Final answer
    x = 175,278,047.63

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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.