Home / 172,045,567.20-258,068,350.80-76,307,455.20

Finding the Fourth Proportional to 172,045,567.20, 258,068,350.80 and 76,307,455.20

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Solution

The fourth proportional to 172,045,567.20, 258,068,350.80 and 76,307,455.20 is: 114,461,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,045,567.20 : 258,068,350.80 = 76,307,455.20 : x
  2. Step 2: Convert to fraction form
    172,045,567.20/258,068,350.80 = 76,307,455.20/x
  3. Step 3: Cross multiply
    172,045,567.20x = 258,068,350.80 × 76,307,455.20
  4. Step 4: Simplify right side
    172,045,567.20x = 19,692,539,117,208,884
  5. Step 5: Solve for x
    x = 19,692,539,117,208,884/172,045,567.20
  6. Step 6: Final answer
    x = 114,461,182.80

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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.