Home / 257,472,938.96-386,173,045.95-82,573,245.84

Finding the Fourth Proportional to 257,472,938.96, 386,173,045.95 and 82,573,245.84

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Solution

The fourth proportional to 257,472,938.96, 386,173,045.95 and 82,573,245.84 is: 123,848,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472,938.96 : 386,173,045.95 = 82,573,245.84 : x
  2. Step 2: Convert to fraction form
    257,472,938.96/386,173,045.95 = 82,573,245.84/x
  3. Step 3: Cross multiply
    257,472,938.96x = 386,173,045.95 × 82,573,245.84
  4. Step 4: Simplify right side
    257,472,938.96x = 31,887,561,860,010,968
  5. Step 5: Solve for x
    x = 31,887,561,860,010,968/257,472,938.96
  6. Step 6: Final answer
    x = 123,848,207.07

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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.