Home / 89,713,019.48-123,804,021.12-48,459,930.08

Finding the Fourth Proportional to 89,713,019.48, 123,804,021.12 and 48,459,930.08

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Solution

The fourth proportional to 89,713,019.48, 123,804,021.12 and 48,459,930.08 is: 66,874,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713,019.48 : 123,804,021.12 = 48,459,930.08 : x
  2. Step 2: Convert to fraction form
    89,713,019.48/123,804,021.12 = 48,459,930.08/x
  3. Step 3: Cross multiply
    89,713,019.48x = 123,804,021.12 × 48,459,930.08
  4. Step 4: Simplify right side
    89,713,019.48x = 5,999,534,207,098,043
  5. Step 5: Solve for x
    x = 5,999,534,207,098,043/89,713,019.48
  6. Step 6: Final answer
    x = 66,874,732.81

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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.