Home / 85,124,111.90-127,702,756.65-33,997,430.30

Finding the Fourth Proportional to 85,124,111.90, 127,702,756.65 and 33,997,430.30

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Solution

The fourth proportional to 85,124,111.90, 127,702,756.65 and 33,997,430.30 is: 51,002,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,124,111.90 : 127,702,756.65 = 33,997,430.30 : x
  2. Step 2: Convert to fraction form
    85,124,111.90/127,702,756.65 = 33,997,430.30/x
  3. Step 3: Cross multiply
    85,124,111.90x = 127,702,756.65 × 33,997,430.30
  4. Step 4: Simplify right side
    85,124,111.90x = 4,341,565,568,326,236.50
  5. Step 5: Solve for x
    x = 4,341,565,568,326,236.50/85,124,111.90
  6. Step 6: Final answer
    x = 51,002,770.79

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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.