Home / 56,783,999.60-85,175,999.40-31,215,129.20

Finding the Fourth Proportional to 56,783,999.60, 85,175,999.40 and 31,215,129.20

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Solution

The fourth proportional to 56,783,999.60, 85,175,999.40 and 31,215,129.20 is: 46,822,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783,999.60 : 85,175,999.40 = 31,215,129.20 : x
  2. Step 2: Convert to fraction form
    56,783,999.60/85,175,999.40 = 31,215,129.20/x
  3. Step 3: Cross multiply
    56,783,999.60x = 85,175,999.40 × 31,215,129.20
  4. Step 4: Simplify right side
    56,783,999.60x = 2,658,779,826,010,122.50
  5. Step 5: Solve for x
    x = 2,658,779,826,010,122.50/56,783,999.60
  6. Step 6: Final answer
    x = 46,822,693.80

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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.