Home / 85,712,032.72-118,262,342.30-50,431,377.77

Finding the Fourth Proportional to 85,712,032.72, 118,262,342.30 and 50,431,377.77

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Solution

The fourth proportional to 85,712,032.72, 118,262,342.30 and 50,431,377.77 is: 69,583,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,712,032.72 : 118,262,342.30 = 50,431,377.77 : x
  2. Step 2: Convert to fraction form
    85,712,032.72/118,262,342.30 = 50,431,377.77/x
  3. Step 3: Cross multiply
    85,712,032.72x = 118,262,342.30 × 50,431,377.77
  4. Step 4: Simplify right side
    85,712,032.72x = 5,964,132,860,096,366
  5. Step 5: Solve for x
    x = 5,964,132,860,096,366/85,712,032.72
  6. Step 6: Final answer
    x = 69,583,379.03

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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.