Home / 186,967,938.72-280,457,621.44-64,144,533.18

Finding the Fourth Proportional to 186,967,938.72, 280,457,621.44 and 64,144,533.18

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Solution

The fourth proportional to 186,967,938.72, 280,457,621.44 and 64,144,533.18 is: 96,218,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,967,938.72 : 280,457,621.44 = 64,144,533.18 : x
  2. Step 2: Convert to fraction form
    186,967,938.72/280,457,621.44 = 64,144,533.18/x
  3. Step 3: Cross multiply
    186,967,938.72x = 280,457,621.44 × 64,144,533.18
  4. Step 4: Simplify right side
    186,967,938.72x = 17,989,823,204,041,960
  5. Step 5: Solve for x
    x = 17,989,823,204,041,960/186,967,938.72
  6. Step 6: Final answer
    x = 96,218,759.90

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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.