Home / 116,997,313.56-161,454,305.40-64,785,228.21

Finding the Fourth Proportional to 116,997,313.56, 161,454,305.40 and 64,785,228.21

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Solution

The fourth proportional to 116,997,313.56, 161,454,305.40 and 64,785,228.21 is: 89,402,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,997,313.56 : 161,454,305.40 = 64,785,228.21 : x
  2. Step 2: Convert to fraction form
    116,997,313.56/161,454,305.40 = 64,785,228.21/x
  3. Step 3: Cross multiply
    116,997,313.56x = 161,454,305.40 × 64,785,228.21
  4. Step 4: Simplify right side
    116,997,313.56x = 10,459,854,020,826,036
  5. Step 5: Solve for x
    x = 10,459,854,020,826,036/116,997,313.56
  6. Step 6: Final answer
    x = 89,402,514.49

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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.