Home / 311,312,774.60-429,612,494.81-170,185,700.33

Finding the Fourth Proportional to 311,312,774.60, 429,612,494.81 and 170,185,700.33

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Solution

The fourth proportional to 311,312,774.60, 429,612,494.81 and 170,185,700.33 is: 234,856,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,312,774.60 : 429,612,494.81 = 170,185,700.33 : x
  2. Step 2: Convert to fraction form
    311,312,774.60/429,612,494.81 = 170,185,700.33/x
  3. Step 3: Cross multiply
    311,312,774.60x = 429,612,494.81 × 170,185,700.33
  4. Step 4: Simplify right side
    311,312,774.60x = 73,113,903,299,758,352
  5. Step 5: Solve for x
    x = 73,113,903,299,758,352/311,312,774.60
  6. Step 6: Final answer
    x = 234,856,739.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.