Home / 186,624,719.40-279,937,079.10-168,484,866.60

Finding the Fourth Proportional to 186,624,719.40, 279,937,079.10 and 168,484,866.60

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Solution

The fourth proportional to 186,624,719.40, 279,937,079.10 and 168,484,866.60 is: 252,727,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,719.40 : 279,937,079.10 = 168,484,866.60 : x
  2. Step 2: Convert to fraction form
    186,624,719.40/279,937,079.10 = 168,484,866.60/x
  3. Step 3: Cross multiply
    186,624,719.40x = 279,937,079.10 × 168,484,866.60
  4. Step 4: Simplify right side
    186,624,719.40x = 47,165,161,428,557,152
  5. Step 5: Solve for x
    x = 47,165,161,428,557,152/186,624,719.40
  6. Step 6: Final answer
    x = 252,727,299.90

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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.