Home / 188,626,530.40-282,372,925.20-111,910,069.60

Finding the Fourth Proportional to 188,626,530.40, 282,372,925.20 and 111,910,069.60

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Solution

The fourth proportional to 188,626,530.40, 282,372,925.20 and 111,910,069.60 is: 167,528,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,626,530.40 : 282,372,925.20 = 111,910,069.60 : x
  2. Step 2: Convert to fraction form
    188,626,530.40/282,372,925.20 = 111,910,069.60/x
  3. Step 3: Cross multiply
    188,626,530.40x = 282,372,925.20 × 111,910,069.60
  4. Step 4: Simplify right side
    188,626,530.40x = 31,600,373,712,287,592
  5. Step 5: Solve for x
    x = 31,600,373,712,287,592/188,626,530.40
  6. Step 6: Final answer
    x = 167,528,786.36

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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.