Home / 209,640,539.60-314,460,809.40-64,073,819.60

Finding the Fourth Proportional to 209,640,539.60, 314,460,809.40 and 64,073,819.60

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Solution

The fourth proportional to 209,640,539.60, 314,460,809.40 and 64,073,819.60 is: 96,110,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,640,539.60 : 314,460,809.40 = 64,073,819.60 : x
  2. Step 2: Convert to fraction form
    209,640,539.60/314,460,809.40 = 64,073,819.60/x
  3. Step 3: Cross multiply
    209,640,539.60x = 314,460,809.40 × 64,073,819.60
  4. Step 4: Simplify right side
    209,640,539.60x = 20,148,705,172,765,584
  5. Step 5: Solve for x
    x = 20,148,705,172,765,584/209,640,539.60
  6. Step 6: Final answer
    x = 96,110,729.40

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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.