Home / 186,624,539.60-279,936,809.40-65,455,991.60

Finding the Fourth Proportional to 186,624,539.60, 279,936,809.40 and 65,455,991.60

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Solution

The fourth proportional to 186,624,539.60, 279,936,809.40 and 65,455,991.60 is: 98,183,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,539.60 : 279,936,809.40 = 65,455,991.60 : x
  2. Step 2: Convert to fraction form
    186,624,539.60/279,936,809.40 = 65,455,991.60/x
  3. Step 3: Cross multiply
    186,624,539.60x = 279,936,809.40 × 65,455,991.60
  4. Step 4: Simplify right side
    186,624,539.60x = 18,323,541,444,617,200
  5. Step 5: Solve for x
    x = 18,323,541,444,617,200/186,624,539.60
  6. Step 6: Final answer
    x = 98,183,987.40

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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.