Home / 122,532,756.90-183,799,135.35-45,845,820.60

Finding the Fourth Proportional to 122,532,756.90, 183,799,135.35 and 45,845,820.60

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Solution

The fourth proportional to 122,532,756.90, 183,799,135.35 and 45,845,820.60 is: 68,768,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,532,756.90 : 183,799,135.35 = 45,845,820.60 : x
  2. Step 2: Convert to fraction form
    122,532,756.90/183,799,135.35 = 45,845,820.60/x
  3. Step 3: Cross multiply
    122,532,756.90x = 183,799,135.35 × 45,845,820.60
  4. Step 4: Simplify right side
    122,532,756.90x = 8,426,422,185,691,218
  5. Step 5: Solve for x
    x = 8,426,422,185,691,218/122,532,756.90
  6. Step 6: Final answer
    x = 68,768,730.90

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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.