Home / 122,486,127.40-183,729,191.10-118,329,077.80

Finding the Fourth Proportional to 122,486,127.40, 183,729,191.10 and 118,329,077.80

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Solution

The fourth proportional to 122,486,127.40, 183,729,191.10 and 118,329,077.80 is: 177,493,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486,127.40 : 183,729,191.10 = 118,329,077.80 : x
  2. Step 2: Convert to fraction form
    122,486,127.40/183,729,191.10 = 118,329,077.80/x
  3. Step 3: Cross multiply
    122,486,127.40x = 183,729,191.10 × 118,329,077.80
  4. Step 4: Simplify right side
    122,486,127.40x = 21,740,505,747,802,968
  5. Step 5: Solve for x
    x = 21,740,505,747,802,968/122,486,127.40
  6. Step 6: Final answer
    x = 177,493,616.70

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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.