Home / 108,389,840.77-149,577,601.40-58,830,211.74

Finding the Fourth Proportional to 108,389,840.77, 149,577,601.40 and 58,830,211.74

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Solution

The fourth proportional to 108,389,840.77, 149,577,601.40 and 58,830,211.74 is: 81,185,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,389,840.77 : 149,577,601.40 = 58,830,211.74 : x
  2. Step 2: Convert to fraction form
    108,389,840.77/149,577,601.40 = 58,830,211.74/x
  3. Step 3: Cross multiply
    108,389,840.77x = 149,577,601.40 × 58,830,211.74
  4. Step 4: Simplify right side
    108,389,840.77x = 8,799,681,961,629,170
  5. Step 5: Solve for x
    x = 8,799,681,961,629,170/108,389,840.77
  6. Step 6: Final answer
    x = 81,185,486.57

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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.