Home / 308,731,638.30-463,097,457.45-155,676,630.30

Finding the Fourth Proportional to 308,731,638.30, 463,097,457.45 and 155,676,630.30

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Solution

The fourth proportional to 308,731,638.30, 463,097,457.45 and 155,676,630.30 is: 233,514,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,731,638.30 : 463,097,457.45 = 155,676,630.30 : x
  2. Step 2: Convert to fraction form
    308,731,638.30/463,097,457.45 = 155,676,630.30/x
  3. Step 3: Cross multiply
    308,731,638.30x = 463,097,457.45 × 155,676,630.30
  4. Step 4: Simplify right side
    308,731,638.30x = 72,093,451,676,313,632
  5. Step 5: Solve for x
    x = 72,093,451,676,313,632/308,731,638.30
  6. Step 6: Final answer
    x = 233,514,945.45

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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.