Home / 78,320,104.44-108,075,407.63-45,282,473.25

Finding the Fourth Proportional to 78,320,104.44, 108,075,407.63 and 45,282,473.25

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Solution

The fourth proportional to 78,320,104.44, 108,075,407.63 and 45,282,473.25 is: 62,486,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,320,104.44 : 108,075,407.63 = 45,282,473.25 : x
  2. Step 2: Convert to fraction form
    78,320,104.44/108,075,407.63 = 45,282,473.25/x
  3. Step 3: Cross multiply
    78,320,104.44x = 108,075,407.63 × 45,282,473.25
  4. Step 4: Simplify right side
    78,320,104.44x = 4,893,921,755,459,658
  5. Step 5: Solve for x
    x = 4,893,921,755,459,658/78,320,104.44
  6. Step 6: Final answer
    x = 62,486,149.50

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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.