Home / 206,852,590.40-310,278,885.60-203,829,281.60

Finding the Fourth Proportional to 206,852,590.40, 310,278,885.60 and 203,829,281.60

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Solution

The fourth proportional to 206,852,590.40, 310,278,885.60 and 203,829,281.60 is: 305,743,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,852,590.40 : 310,278,885.60 = 203,829,281.60 : x
  2. Step 2: Convert to fraction form
    206,852,590.40/310,278,885.60 = 203,829,281.60/x
  3. Step 3: Cross multiply
    206,852,590.40x = 310,278,885.60 × 203,829,281.60
  4. Step 4: Simplify right side
    206,852,590.40x = 63,243,922,347,496,584
  5. Step 5: Solve for x
    x = 63,243,922,347,496,584/206,852,590.40
  6. Step 6: Final answer
    x = 305,743,922.40

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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.