Home / 156,007,276.80-234,010,915.20-117,460,089.60

Finding the Fourth Proportional to 156,007,276.80, 234,010,915.20 and 117,460,089.60

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Solution

The fourth proportional to 156,007,276.80, 234,010,915.20 and 117,460,089.60 is: 176,190,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,007,276.80 : 234,010,915.20 = 117,460,089.60 : x
  2. Step 2: Convert to fraction form
    156,007,276.80/234,010,915.20 = 117,460,089.60/x
  3. Step 3: Cross multiply
    156,007,276.80x = 234,010,915.20 × 117,460,089.60
  4. Step 4: Simplify right side
    156,007,276.80x = 27,486,943,066,770,000
  5. Step 5: Solve for x
    x = 27,486,943,066,770,000/156,007,276.80
  6. Step 6: Final answer
    x = 176,190,134.40

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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.