Home / 103,626,840.50-142,945,090.77-66,957,411.50

Finding the Fourth Proportional to 103,626,840.50, 142,945,090.77 and 66,957,411.50

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Solution

The fourth proportional to 103,626,840.50, 142,945,090.77 and 66,957,411.50 is: 92,362,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626,840.50 : 142,945,090.77 = 66,957,411.50 : x
  2. Step 2: Convert to fraction form
    103,626,840.50/142,945,090.77 = 66,957,411.50/x
  3. Step 3: Cross multiply
    103,626,840.50x = 142,945,090.77 × 66,957,411.50
  4. Step 4: Simplify right side
    103,626,840.50x = 9,571,233,264,591,742
  5. Step 5: Solve for x
    x = 9,571,233,264,591,742/103,626,840.50
  6. Step 6: Final answer
    x = 92,362,492.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.