Home / 89,688,383.96-123,769,971.56-48,435,276.36

Finding the Fourth Proportional to 89,688,383.96, 123,769,971.56 and 48,435,276.36

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Solution

The fourth proportional to 89,688,383.96, 123,769,971.56 and 48,435,276.36 is: 66,840,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,688,383.96 : 123,769,971.56 = 48,435,276.36 : x
  2. Step 2: Convert to fraction form
    89,688,383.96/123,769,971.56 = 48,435,276.36/x
  3. Step 3: Cross multiply
    89,688,383.96x = 123,769,971.56 × 48,435,276.36
  4. Step 4: Simplify right side
    89,688,383.96x = 5,994,832,777,577,940
  5. Step 5: Solve for x
    x = 5,994,832,777,577,940/89,688,383.96
  6. Step 6: Final answer
    x = 66,840,682.29

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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.