Home / 186,624,019.60-279,936,029.40-168,708,115.60

Finding the Fourth Proportional to 186,624,019.60, 279,936,029.40 and 168,708,115.60

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Solution

The fourth proportional to 186,624,019.60, 279,936,029.40 and 168,708,115.60 is: 253,062,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,019.60 : 279,936,029.40 = 168,708,115.60 : x
  2. Step 2: Convert to fraction form
    186,624,019.60/279,936,029.40 = 168,708,115.60/x
  3. Step 3: Cross multiply
    186,624,019.60x = 279,936,029.40 × 168,708,115.60
  4. Step 4: Simplify right side
    186,624,019.60x = 47,227,480,008,620,192
  5. Step 5: Solve for x
    x = 47,227,480,008,620,192/186,624,019.60
  6. Step 6: Final answer
    x = 253,062,173.40

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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.