Home / 122,476,069.80-183,288,951.90-112,272,402.60

Finding the Fourth Proportional to 122,476,069.80, 183,288,951.90 and 112,272,402.60

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Solution

The fourth proportional to 122,476,069.80, 183,288,951.90 and 112,272,402.60 is: 168,018,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476,069.80 : 183,288,951.90 = 112,272,402.60 : x
  2. Step 2: Convert to fraction form
    122,476,069.80/183,288,951.90 = 112,272,402.60/x
  3. Step 3: Cross multiply
    122,476,069.80x = 183,288,951.90 × 112,272,402.60
  4. Step 4: Simplify right side
    122,476,069.80x = 20,578,290,999,848,836
  5. Step 5: Solve for x
    x = 20,578,290,999,848,836/122,476,069.80
  6. Step 6: Final answer
    x = 168,018,871.22

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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.