Home / 186,624,025.60-279,936,038.40-168,708,121.60

Finding the Fourth Proportional to 186,624,025.60, 279,936,038.40 and 168,708,121.60

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Solution

The fourth proportional to 186,624,025.60, 279,936,038.40 and 168,708,121.60 is: 253,062,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,025.60 : 279,936,038.40 = 168,708,121.60 : x
  2. Step 2: Convert to fraction form
    186,624,025.60/279,936,038.40 = 168,708,121.60/x
  3. Step 3: Cross multiply
    186,624,025.60x = 279,936,038.40 × 168,708,121.60
  4. Step 4: Simplify right side
    186,624,025.60x = 47,227,483,206,609,464
  5. Step 5: Solve for x
    x = 47,227,483,206,609,464/186,624,025.60
  6. Step 6: Final answer
    x = 253,062,182.40

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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.