Home / 108,398,784.24-162,598,407.48-76,194,789.12

Finding the Fourth Proportional to 108,398,784.24, 162,598,407.48 and 76,194,789.12

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Solution

The fourth proportional to 108,398,784.24, 162,598,407.48 and 76,194,789.12 is: 114,292,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,398,784.24 : 162,598,407.48 = 76,194,789.12 : x
  2. Step 2: Convert to fraction form
    108,398,784.24/162,598,407.48 = 76,194,789.12/x
  3. Step 3: Cross multiply
    108,398,784.24x = 162,598,407.48 × 76,194,789.12
  4. Step 4: Simplify right side
    108,398,784.24x = 12,389,151,369,186,430
  5. Step 5: Solve for x
    x = 12,389,151,369,186,430/108,398,784.24
  6. Step 6: Final answer
    x = 114,292,346.14

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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.