Home / 149,710,849.20-224,640,923.40-85,064,295.60

Finding the Fourth Proportional to 149,710,849.20, 224,640,923.40 and 85,064,295.60

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Solution

The fourth proportional to 149,710,849.20, 224,640,923.40 and 85,064,295.60 is: 127,638,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,710,849.20 : 224,640,923.40 = 85,064,295.60 : x
  2. Step 2: Convert to fraction form
    149,710,849.20/224,640,923.40 = 85,064,295.60/x
  3. Step 3: Cross multiply
    149,710,849.20x = 224,640,923.40 × 85,064,295.60
  4. Step 4: Simplify right side
    149,710,849.20x = 19,108,921,911,954,556
  5. Step 5: Solve for x
    x = 19,108,921,911,954,556/149,710,849.20
  6. Step 6: Final answer
    x = 127,638,858.60

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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.