Home / 186,624,469.60-279,936,704.40-118,516,040.80

Finding the Fourth Proportional to 186,624,469.60, 279,936,704.40 and 118,516,040.80

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Solution

The fourth proportional to 186,624,469.60, 279,936,704.40 and 118,516,040.80 is: 177,774,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,469.60 : 279,936,704.40 = 118,516,040.80 : x
  2. Step 2: Convert to fraction form
    186,624,469.60/279,936,704.40 = 118,516,040.80/x
  3. Step 3: Cross multiply
    186,624,469.60x = 279,936,704.40 × 118,516,040.80
  4. Step 4: Simplify right side
    186,624,469.60x = 33,176,989,880,087,936
  5. Step 5: Solve for x
    x = 33,176,989,880,087,936/186,624,469.60
  6. Step 6: Final answer
    x = 177,774,061.20

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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.