Home / 156,843,236.10-216,442,471.33-86,277,330.66

Finding the Fourth Proportional to 156,843,236.10, 216,442,471.33 and 86,277,330.66

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Solution

The fourth proportional to 156,843,236.10, 216,442,471.33 and 86,277,330.66 is: 119,062,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843,236.10 : 216,442,471.33 = 86,277,330.66 : x
  2. Step 2: Convert to fraction form
    156,843,236.10/216,442,471.33 = 86,277,330.66/x
  3. Step 3: Cross multiply
    156,843,236.10x = 216,442,471.33 × 86,277,330.66
  4. Step 4: Simplify right side
    156,843,236.10x = 18,674,078,668,240,608
  5. Step 5: Solve for x
    x = 18,674,078,668,240,608/156,843,236.10
  6. Step 6: Final answer
    x = 119,062,059.24

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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.