Home / 205,000,907.20-308,173,207.20-144,833,329.60

Finding the Fourth Proportional to 205,000,907.20, 308,173,207.20 and 144,833,329.60

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Solution

The fourth proportional to 205,000,907.20, 308,173,207.20 and 144,833,329.60 is: 217,724,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,000,907.20 : 308,173,207.20 = 144,833,329.60 : x
  2. Step 2: Convert to fraction form
    205,000,907.20/308,173,207.20 = 144,833,329.60/x
  3. Step 3: Cross multiply
    205,000,907.20x = 308,173,207.20 × 144,833,329.60
  4. Step 4: Simplify right side
    205,000,907.20x = 44,633,751,692,286,688
  5. Step 5: Solve for x
    x = 44,633,751,692,286,688/205,000,907.20
  6. Step 6: Final answer
    x = 217,724,654.50

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1.5x scale

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.