Home / 167,893,457.20-231,710,211.56-100,934,092.88

Finding the Fourth Proportional to 167,893,457.20, 231,710,211.56 and 100,934,092.88

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Solution

The fourth proportional to 167,893,457.20, 231,710,211.56 and 100,934,092.88 is: 139,299,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,893,457.20 : 231,710,211.56 = 100,934,092.88 : x
  2. Step 2: Convert to fraction form
    167,893,457.20/231,710,211.56 = 100,934,092.88/x
  3. Step 3: Cross multiply
    167,893,457.20x = 231,710,211.56 × 100,934,092.88
  4. Step 4: Simplify right side
    167,893,457.20x = 23,387,460,014,841,488
  5. Step 5: Solve for x
    x = 23,387,460,014,841,488/167,893,457.20
  6. Step 6: Final answer
    x = 139,299,412.88

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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.