Home / 186,624,477.60-279,936,716.40-118,516,048.80

Finding the Fourth Proportional to 186,624,477.60, 279,936,716.40 and 118,516,048.80

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Solution

The fourth proportional to 186,624,477.60, 279,936,716.40 and 118,516,048.80 is: 177,774,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,477.60 : 279,936,716.40 = 118,516,048.80 : x
  2. Step 2: Convert to fraction form
    186,624,477.60/279,936,716.40 = 118,516,048.80/x
  3. Step 3: Cross multiply
    186,624,477.60x = 279,936,716.40 × 118,516,048.80
  4. Step 4: Simplify right side
    186,624,477.60x = 33,176,993,541,774,156
  5. Step 5: Solve for x
    x = 33,176,993,541,774,156/186,624,477.60
  6. Step 6: Final answer
    x = 177,774,073.20

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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.