Home / 186,624,007.20-279,936,010.80-173,019,117.60

Finding the Fourth Proportional to 186,624,007.20, 279,936,010.80 and 173,019,117.60

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Solution

The fourth proportional to 186,624,007.20, 279,936,010.80 and 173,019,117.60 is: 259,528,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,007.20 : 279,936,010.80 = 173,019,117.60 : x
  2. Step 2: Convert to fraction form
    186,624,007.20/279,936,010.80 = 173,019,117.60/x
  3. Step 3: Cross multiply
    186,624,007.20x = 279,936,010.80 × 173,019,117.60
  4. Step 4: Simplify right side
    186,624,007.20x = 48,434,281,573,080,072
  5. Step 5: Solve for x
    x = 48,434,281,573,080,072/186,624,007.20
  6. Step 6: Final answer
    x = 259,528,676.40

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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.