Home / 161,504,396.40-242,256,594.60-118,138,810.80

Finding the Fourth Proportional to 161,504,396.40, 242,256,594.60 and 118,138,810.80

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Solution

The fourth proportional to 161,504,396.40, 242,256,594.60 and 118,138,810.80 is: 177,208,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,504,396.40 : 242,256,594.60 = 118,138,810.80 : x
  2. Step 2: Convert to fraction form
    161,504,396.40/242,256,594.60 = 118,138,810.80/x
  3. Step 3: Cross multiply
    161,504,396.40x = 242,256,594.60 × 118,138,810.80
  4. Step 4: Simplify right side
    161,504,396.40x = 28,619,905,994,501,700
  5. Step 5: Solve for x
    x = 28,619,905,994,501,700/161,504,396.40
  6. Step 6: Final answer
    x = 177,208,216.20

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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.