Home / 186,624,486.40-279,936,729.60-163,949,670.40

Finding the Fourth Proportional to 186,624,486.40, 279,936,729.60 and 163,949,670.40

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Solution

The fourth proportional to 186,624,486.40, 279,936,729.60 and 163,949,670.40 is: 245,924,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,486.40 : 279,936,729.60 = 163,949,670.40 : x
  2. Step 2: Convert to fraction form
    186,624,486.40/279,936,729.60 = 163,949,670.40/x
  3. Step 3: Cross multiply
    186,624,486.40x = 279,936,729.60 × 163,949,670.40
  4. Step 4: Simplify right side
    186,624,486.40x = 45,895,534,550,773,928
  5. Step 5: Solve for x
    x = 45,895,534,550,773,928/186,624,486.40
  6. Step 6: Final answer
    x = 245,924,505.60

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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.