Home / 284,745,887.86-392,952,418.12-167,276,169.22

Finding the Fourth Proportional to 284,745,887.86, 392,952,418.12 and 167,276,169.22

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Solution

The fourth proportional to 284,745,887.86, 392,952,418.12 and 167,276,169.22 is: 230,842,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,745,887.86 : 392,952,418.12 = 167,276,169.22 : x
  2. Step 2: Convert to fraction form
    284,745,887.86/392,952,418.12 = 167,276,169.22/x
  3. Step 3: Cross multiply
    284,745,887.86x = 392,952,418.12 × 167,276,169.22
  4. Step 4: Simplify right side
    284,745,887.86x = 65,731,575,188,849,312
  5. Step 5: Solve for x
    x = 65,731,575,188,849,312/284,745,887.86
  6. Step 6: Final answer
    x = 230,842,930.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.