Home / 122,476,816.80-183,715,225.20-74,009,397.60

Finding the Fourth Proportional to 122,476,816.80, 183,715,225.20 and 74,009,397.60

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Solution

The fourth proportional to 122,476,816.80, 183,715,225.20 and 74,009,397.60 is: 111,014,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476,816.80 : 183,715,225.20 = 74,009,397.60 : x
  2. Step 2: Convert to fraction form
    122,476,816.80/183,715,225.20 = 74,009,397.60/x
  3. Step 3: Cross multiply
    122,476,816.80x = 183,715,225.20 × 74,009,397.60
  4. Step 4: Simplify right side
    122,476,816.80x = 13,596,653,147,000,338
  5. Step 5: Solve for x
    x = 13,596,653,147,000,338/122,476,816.80
  6. Step 6: Final answer
    x = 111,014,096.40

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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.