Home / 85,064,896.80-127,513,364.40-41,898,765.60

Finding the Fourth Proportional to 85,064,896.80, 127,513,364.40 and 41,898,765.60

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Solution

The fourth proportional to 85,064,896.80, 127,513,364.40 and 41,898,765.60 is: 62,806,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064,896.80 : 127,513,364.40 = 41,898,765.60 : x
  2. Step 2: Convert to fraction form
    85,064,896.80/127,513,364.40 = 41,898,765.60/x
  3. Step 3: Cross multiply
    85,064,896.80x = 127,513,364.40 × 41,898,765.60
  4. Step 4: Simplify right side
    85,064,896.80x = 5,342,652,565,862,985
  5. Step 5: Solve for x
    x = 5,342,652,565,862,985/85,064,896.80
  6. Step 6: Final answer
    x = 62,806,783.61

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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.