Home / 77,766,374.35-116,649,561.53-48,918,969.55

Finding the Fourth Proportional to 77,766,374.35, 116,649,561.53 and 48,918,969.55

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Solution

The fourth proportional to 77,766,374.35, 116,649,561.53 and 48,918,969.55 is: 73,378,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,766,374.35 : 116,649,561.53 = 48,918,969.55 : x
  2. Step 2: Convert to fraction form
    77,766,374.35/116,649,561.53 = 48,918,969.55/x
  3. Step 3: Cross multiply
    77,766,374.35x = 116,649,561.53 × 48,918,969.55
  4. Step 4: Simplify right side
    77,766,374.35x = 5,706,376,348,262,327
  5. Step 5: Solve for x
    x = 5,706,376,348,262,327/77,766,374.35
  6. Step 6: Final answer
    x = 73,378,454.33

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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.