Home / 186,624,666.40-279,936,999.60-168,484,813.60

Finding the Fourth Proportional to 186,624,666.40, 279,936,999.60 and 168,484,813.60

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Solution

The fourth proportional to 186,624,666.40, 279,936,999.60 and 168,484,813.60 is: 252,727,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,666.40 : 279,936,999.60 = 168,484,813.60 : x
  2. Step 2: Convert to fraction form
    186,624,666.40/279,936,999.60 = 168,484,813.60/x
  3. Step 3: Cross multiply
    186,624,666.40x = 279,936,999.60 × 168,484,813.60
  4. Step 4: Simplify right side
    186,624,666.40x = 47,165,133,197,349,280
  5. Step 5: Solve for x
    x = 47,165,133,197,349,280/186,624,666.40
  6. Step 6: Final answer
    x = 252,727,220.40

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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.