Home / 149,710,863.20-224,640,944.40-85,064,309.60

Finding the Fourth Proportional to 149,710,863.20, 224,640,944.40 and 85,064,309.60

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Solution

The fourth proportional to 149,710,863.20, 224,640,944.40 and 85,064,309.60 is: 127,638,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,710,863.20 : 224,640,944.40 = 85,064,309.60 : x
  2. Step 2: Convert to fraction form
    149,710,863.20/224,640,944.40 = 85,064,309.60/x
  3. Step 3: Cross multiply
    149,710,863.20x = 224,640,944.40 × 85,064,309.60
  4. Step 4: Simplify right side
    149,710,863.20x = 19,108,926,843,277,984
  5. Step 5: Solve for x
    x = 19,108,926,843,277,984/149,710,863.20
  6. Step 6: Final answer
    x = 127,638,879.60

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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.